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Oracle SQL Tutorial 25 - ASCII and Unicode
 
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In the previous video we talked about some of the most popular data types. We are going to discuss them in more detail. The data type we are going to start with is CHAR and NCHAR. I told you of both of these but I never explained the difference. That's because there is some other stuff I need to explain before I can explain the difference. This has to deal with what is known as character sets. When you have a string, there are only so many characters you are allowed to store in that string. The characters you are allowed to store is determined by what is known as the character set. A common character set is ASCII. This character set allows you to store English characters, numbers, and some symbols. ASCII started with 127 characters, and then they came out with the ASCII extended, which allows for up to 255 characters. Even with 255 characters though, we are limited in what we can store using one character set. If the computer only allows ASCII, we are going to be limited when working with different languages. Of course it works for some situations, but globalization of software has been a big thing with the development of the interwebs …and the movement towards a new world order (Revelation 13:7). That means that ASCII is no longer the best character set. It has largely been replaced with a character set known as Unicode. Oracle has a few Unicode character sets that we can use when we work with string data. When you start studying character sets, I can promise that you will run across the word encoding. Encoding refers to the way that the allowed characters can be stored on the computer. A computer doesn't just store a letter, everything has to be stored in binary. Unicode is the character set, but it has numerous different encodings. Essentially, the computer can store the same characters in multiple different ways, depending on which encoding is used. The most popular encodings for Unicode are UTF-8 and UTF-16. UTF stands for Unicode Transformation Format. In the next video we will be discussing these in detail and express their differences. Once we got that down, we'll be able to loop back around to data types. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 6014 Caleb Curry
Oracle SQL Tutorial 32 - VARCHAR2 and NVARCHAR2
 
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This video we are going to discuss the VARCHAR2 and the NVARCHAR2 data types. The previous videos are a good foundation to this video. I've actually discussed so much stuff in those videos that I don’t have a whole lot to say. Good for you, right? I discussed over the previous videos that you should prefer to use VARCHAR2 over CHAR. That's because there is not a difference in performance or storage for a VARCHAR2 column. The only difference is that an CHAR column forces each value to take up a certain length even if it's not. There is one difference between the variable length and fixed length data types here that you need to know about, and that is storage limits. CHAR has a limit of 2000 bytes, while VARCHAR2 has a limit of 4000 bytes. That means you can store twice as much junk in a VARCHAR2 column! Other than that, these data types work exactly the same. I recommend you always use the VARCHAR2 data types instead of the CHAR data types, and only use NVARCHAR2 if you have a non-Unicode database. This will allow you to store Unicode characters in a column. Now, the amount of storage you can put in a VARCHAR2 column is twice what you can put in a CHAR column, but 4000 characters is still not very many characters. This is where the LOB data types come in, which we will discuss in the next video! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 5727 Caleb Curry
Introduction to UTF-8 and Unicode
 
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This video gives an introduction to UTF-8 and Unicode. It gives a detail description of UTF-8 and how to encode in UTF-8. This is a video presentation of the article "How about Unicode and UTF-8" which was published on www.gamedev.net. Writing an STL-Style UTF-8 String Class - http://squaredprogramming.blogspot.com/2013/12/writing-stl-style-utf-8-string-class.html How about Unicode and UTF-8 - http://www.gamedev.net/page/resources/_/technical/general-programming/how-about-unicode-and-utf-8-r3322 www.squaredprogramming.com
Views: 148988 Squared Programming
Differences between Unicode and Non Unicode Datatypes | MSSQL Training
 
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Views: 12313 Naresh i Technologies
Oracle SQL Tutorial 26 - UTF-8 and UTF-16
 
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UTF-8 and UTF-16 are different encodings for the Unicode character set. Let's discuss UTF-8 first. UTF-8 is what is known as a variable-length character set. This means that the amount of storage a character takes up depends on what character it is. For example, if we store the character A, it will only take up one byte. In fact, ASCII is a subset of UTF-8. That means UTF-8 encoding can work with ASCII data. If you are new to computer storage, a byte is a very small amount of information. The smallest thing a computer can store is a bit. 1 or 0. On or off. There are 8 bits in a byte, 1024 bytes in a kilobyte, 1024 kilobytes in a megabyte, 1024 megabytes in a gigabyte, and 1024 gigabytes in a terabyte, and 1024 terabytes in a petabyte. Considering it is completely possible for a database to be multiple petabytes, you can understand that a byte is very small. If you store a non-English character, the size of UTF-8 will increase to 2, 3, or 4 bytes. If you think back to when we used the VARCHAR data type, we passed in 50 CHAR. The reason we throw in that CHAR is that the default for Oracle is 50 characters. Now you can understand why adding the CHAR might be important. If a character can take up multiple bytes, you cannot guarantee 50 characters. Now, on to UTF-16. UTF-16 is also a variable length encoding, but it differs in that It is either 2 or 4 bytes. That means to store an A, it now takes two bytes rather than one. Even though a byte is so small, when you are storing billions of characters, an unnecessary byte really adds up to a lot of wasted storage. We can only represent so many characters with 2 bytes. When we run out of options, we move to four bytes to allow for other characters. Which do we use? It often depends on what platform you are on and also what languages you are working with. For example, if you are working with Asian language, UTF-16 stores each character in 2 bytes while UTF-8 stores each character in 3 bytes. So you could save space by using UTF-16. Additionally, UTF-16 works better when you are writing code in Java or something from Microsoft .NET because UTF-16, or a subset of it called UCS-2, is widely adopted. Other than that, UTF-8 will be the one you want. Now that we have built a pretty good foundation of character sets, we can now continue our discussion of data types. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 8305 Caleb Curry
Oracle SQL Tutorial 30 - UTF-8 and UTF-16 Character Sets
 
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A few videos ago we discussed UTF-8 and UTF-16 encoding, but when we are working with a database we do not worry about encodings as much as we do character sets. That's because a specific character set is going to have a specific encoding. The reason I am making this video is to introduce you to the most common character sets and to teach you the differences. That’s because as we go into the national character sets we need to understand the information taught in this video. So the first character set I am going to teach you about is AL32UTF8. AL32UTF8 is a character set that uses the uff-8 encoding and each character can take up to 4 bytes with the utf-8 encoding. There is another character set (not encoding) called utf8 (no hyphen) which is also encoded with UTF-8. This can be a little confusing because UTF8 is the name of an encoding and a character set, but bear with me. Both of these character sets are UTF-8 encoded, but UTF8 uses an older version of UTF-8 encoding. Generally, they work about the same, but the way certain characters are stored is slightly different, specifically way certain characters are stored is slightly different, specifically what are known as supplementary characters, which take up 4 bytes. The max size for a UTF8 character set is 3 bytes, as they do not directly support the supplementary characters as 4 bytes but instead store them across 2 groups of 3 bytes each. Oracle recommends that you use AL32UTF8 for all future development instead of the archaic UTF8 character set. There is another character set that you should know about, and that is AL16UTF16, which uses the UTF-16 encoding. Watch my video over UTF-8 and UTF-16 to learn more about UTF-16. Lastly, there is a character set known as UTFE, which uses an encoding known as UTF-EBCDIC. This is like a super archaic character set, and I'm not even going to talk about it. I thought I would at least mention it as it is going to come up a bit in the next video's topic. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 7148 Caleb Curry
4 Unicode and N character in SQL Server
 
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with Arabic content by easy way to learn شرح بالعربي
Find Special Character in a string using Sql
 
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In this video we learn how to find the special character , number in a string using sql server. -- How to Find Number and character in a string SELECT Employeeid,LastName FROM Employees WHERE LastName like '%[^0-9A-Z]%' -- How to find Special Character in a string SELECT Employeeid,LastName FROM Employees WHERE LastName like '%[@,#,$,%,*]%' -- How to find number in a string SELECT Employeeid,LastName FROM Employees WHERE LastName like '%[0-9]%'
Views: 2187 SmartCode
Characters in a computer - Unicode Tutorial UTF-8 (3/3)
 
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This tutorial explains the utf-8 way of representing characters in a computer; later generalizing (high level) how any kind of data can be represented in a computer.
Views: 43774 dizauvi
Oracle DECOMPOSE Function
 
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The Oracle DECOMPOSE function is used to transform a string into a Unicode string. It will split a character that has an accent, for example, into two characters. It’s the opposite of the COMPOSE function. The syntax of the DECOMPOSE function is: DECOMPOSE ( input_string [CANONICAL|COMPATIBILITY] ) The parameters of this function are: - input_string is the string that will be decomposed into separate character values in a string. It can be any character data type. - CANONICAL|COMPATIBILITY is an optional parameter and allows you to specify the mode of decomposition. CANONICAL is the default. CANONICAL means it can be re-composed with the COMPOSE function. COMPATIBILITY means that it can’t be re-composed, but it can be useful for katakana characters. For more information about Oracle SQL functions, visit Database Star: https://www.databasestar.com/sql-functions/
Views: 108 Database Star
Oracle SQL Tutorial 29 - NCHAR Part 1
 
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NCHAR is another data type available in Oracle database. This data type is very similar to the char data type with some key differences. NCHAR is also known as the national character set. This is a data type that allows us to store Unicode characters. It is really recommended that you watch the two videos over Unicode and UTF-8 because this video is going to talk a lot about it. Why is it that we have an entire data type dedicated to storing Unicode? That will be easily understood once we understand how character sets and encodings are applied to Oracle. They are applied at the database level. That means that you have a character set that applies to the entire database. This is in contrast to some database management systems that allow you to apply a data type at the table and column level. For example, in MySQL you can make a table have a character set, and make a specific column in that table a different character set. That means we can customize everything at the expense of adding potential complexity and confusion. Oracle does not work that way. In Oracle, we define one character set for the entire database. The problem with defining a character set for the entire database is that it may not be the character set we want to use for everything. That is where the NCHAR column comes in. The NCHAR column allows us to have a Unicode column inside of a database that does not use Unicode as the default character set. That is important because it is very often that we want to use Unicode but we may not need to use it for everything, for example if that application is working with ASCII nearly all of the time. If you are using Unicode for the database, then NCHAR is not going to be needed and should not be used. This data type is not as widely accepted, so only use it if you absolutely need to, specifically when you need to store Unicode in a non-Unicode database. Additionally, there is some controversy when it comes to whether or not you should use the CHAR and NCHAR data types in Oracle at all. We will discuss why in an upcoming video. In the next video we are going to go over some specific character sets that Oracle can use. See you then! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppor me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 4268 Caleb Curry
Oracle SQL Tutorial 27 - CHAR Part 1
 
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This video and the next is going to cover CHAR and NCHAR. Be sure to check out the previous two videos as these are going to introduce you to some foundational knowledge required to understand these data types. CHAR is a fixed-length data type. What that means is that every value for a CHAR column is going to be the same length. You specify the length in parenthesis when you create the table. The thing you need to know though is that the default measurement is in bytes. That means if you specify the length to be CHAR(50), the length of each value will be 50 bytes, by default. If you want to change that to 50 characters, you can pass in the word CHAR as in CHAR(50 CHAR). This is known as a qualifier. Specifically, they are known as length semantics qualifiers (describes the meaning of the given length). Now, I said the default was bytes, but you can actually change the default to characters. In that situation, you can actually use the keyword BYTE to break away from the default. In general, it's best to put CHAR or BYTE even if it is the default. In general, it's best to keep things consistent. It's okay to have these measured in CHAR or BYTE, but it is recommended that every column is the same. It allows you to be more consistent as if some columns measure length in bytes and some measure length in characters, things can get confusing. If you do want to change the default, look up NLS_LENGTH_SEMANTICS as well as the potential problems it may bring. What values are allowed in parenthesis? That is what we are going to discuss in the next video. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 4796 Caleb Curry
SQL Tutorial - 39: UPPER() and LOWER() Functions
 
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In this tutorial we'll learn to display characters in upper case or lower case using the UPPER and LOWER functions.
Views: 22661 The Bad Tutorials
SQL function ASCII() , Char() With example in Hindi Part 1
 
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In this video, We will learn system define function of string ASCII() and Char() in SQL.
Lecture 12/12: ASCII and Unicode
 
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Prof. Harry Porter Portland State University cs.pdx.edu/~harry
Views: 23733 hhp3
How To remove Special and Non Printable Characters in Informatica PowerCenter
 
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Data Cleansing Using Informatica PowerCenter
Views: 3205 Kawaljeet Singh
Oracle SQL Developer Tips : How to change the language
 
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To get the complete FREE course on Oracle SQL Developer click here: https://www.udemy.com/oracle-sql-developer-tips-and-tricks/ In this video I show you how to change the language of Oracle SQL Developer 's user interface. This is an excerpt of the *FREE* course " Oracle SQL Developer : Tips And Tricks" ( https://www.udemy.com/oracle-sql-developer-tips-and-tricks/ ) Want to learn SQL ? Here is a discounted course for you: http://bit.ly/oracle-sql-course You can find additional Oracle SQL related articles and educational content in my blog here: http://standout-dev.com/
Views: 9381 Oracle SQL
ascii,instr | sql functions | oracle database 11g version 2 |
 
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executed in oracle database 11g version 2
Views: 262 Education 4u
Oracle SQL Tutorial 24 - Important Data Types
 
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In the upcoming videos we are going to discuss data types in depth, but I don't want to drown you in all of the details. Because of that, I'm giving you this video which is going to introduce you to the most important data types. Then, in the upcoming videos, I'll describe them in more depth. One of the data types we've already discussed in this video is NUMBER. This data type is used to, obviously, store a number. It can be used to store integers (whole numbers), or numbers with decimals. There are two other numeric data types you should know of. BINARY_FLOAT and BINARY_DOUBLE are both numeric data types that are known as floating point numbers. A floating point number is often used for large numbers that have decimal places where it is acceptable to not be completely precise. What I mean by this is that these numbers can only store numbers correctly up to a certain decimal point. If you need perfect precision, you will want to use the NUMBER data type. Now storing numbers is good sometimes, but occasionally you will want to store string data. String data can be any sequence of characters, including numbers. By telling the database that a column is a string data type, the database knows how to treat that column. There are four important string data types that you need to know about. The first two are CHAR and NCHAR. These data types are used to store a fixed-length string. So for example, you can say you want to store 12 characters. This means that every value for this column will be exactly 12 characters. If you insert less than 12 characters, the data will be padded with spaces. This means you will want to use one of these data types when every value in the column is the same length. What is the difference between CHAR and NCHAR? CHAR uses what is known as ASCII while NCHAR uses Unicode. The difference is what characters are allowed and how much space each character takes. ASCII takes up less space but only supports English, numbers, and some symbols. UNICODE allows you to store characters from multiple languages but takes up more space. Those were both fixed-length string. What if you want to store data that changes in length? That is where VARCHAR2 and NVARCHAR2 come in. When it comes to storing dates, the data types that are most important are DATE and TIMESTAMP. Date can be used to store dates and time. Timestamp is a data type that can be used to store an exact moment in time. Lastly, there are interval types. These store a date range. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 6939 Caleb Curry
Unicode and character encoding
 
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Internationalization and localization expert Adam Asnes of Lingoport discusses Unicode and character encoding in this video.
Views: 46167 Lingoport
nchar, nvarchar, and ntext Microsoft SQL Server Tutorial - Unicode Data Types
 
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What considerations do Unicode data types such as nvarchar and nchar have over ASCII ones? This Microsoft SQL Server tutorial provides an overview.
Views: 7624 Edward Kench
Characters in a computer - Unicode Tutorial (UTF-32 & UTF-16)(2/3)
 
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This tutorial talks about some basic aspects of unicode using the examples of utf-32 and utf-16 encodings.
Views: 61968 dizauvi
PY4E - Unicode and UTF-8 in Python (Chapter 12 Part 4)
 
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http://www.py4e.com - Python for Everybody: Exploring Data in Python 3.0 Please visit the web site to access a free textbook, free supporting materials, as well as interactive exercises.
Views: 9024 Chuck Severance
Unicode — What is it and why do we need it? - Timwi Heizmann at the Polyglot Gathering 2015
 
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Timwi is a professional programmer and interested in languages. Here he explains what Unicode is, why we need it, how it developed from earlier approaches to text encoding, what problems it solves and what problems it still has. This lecture was recorded at the Polyglot Gathering in Berlin 2015 (http://www.polyglotberlin.com). The official sponsor of this conference was http://www.italki.com .
Views: 1234 Polyglot Gathering
Unicode, UTF 8, JavaScript, and You
 
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I ½ ♥ 💩 See https://coolaj86.com/articles/base64-unicode-utf-8-javascript-and-you/ Points of discussion: * From Unicode to UTF-8 as a string, byte sequence, or base64 * TextEncoder (DOM) * Unibabel (light weight, DOM, ES3) * Buffer (Pure JS) * StringView (Pure JS) * base64-js (PureJS) * Performance - couldn't test with JSPerf due to... wait for it... unicode * Operations must have predictable output * Secure Remote Password * 0xFFFD - unknown character * Unicode vs Encoding * what popped up in my google search * binary example * Naive approach doesn't work * Mozilla's Example gives the wrong byte sequence * ES6 is too fancy and not focusing on solving existing problems * JavaScript vs DOM vs Node
Views: 3026 AJ ONeal
WHAT IS UNICODE UTF 8 AND HOW IT IS ENCODED EXAMPLE
 
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WHAT IS UNICODE UTF 8 AND HOW IT IS ENCODED EXAMPLE
Views: 2310 LearnEveryone
RubyConf 2017: Ten Unicode Characters You Should Know About as a Programmer by Jan Lelis
 
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RubyConf 2017: Ten Unicode Characters You Should Know About as a Programmer by Jan Lelis There are a lot of things that can go wrong when working with Unicode data. Some examples of unmeant behavior: You try to downcase "I" to "i", but your Turkish friends want it to be a dotless "ı" Your UI is broken, because people use empty usernames, despite the String#blank? check You think "C" is the same letter as "С", but your system does not think so and crashes Using ten characters as representatives, I will highlight some Unicode characteristics which require a programmer's attention and demonstrate how Ruby's solid Unicode support can be of useful assistance!
Views: 910 Confreaks
WHAT IS UNICODE UTF 8 AND HOW IT IS ENCODED EXAMPLE IN HINDI
 
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WHAT IS UNICODE UTF 8 AND HOW IT IS ENCODED EXAMPLE IN HINDI
Views: 1027 LearnEveryone
CHANGING THE CHARACTER SET TO AL32UTF8
 
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By using these steps you can change the oracle database character set to AL32UTF8
Views: 30018 venkatesh sankala
Oralce CHR Function
 
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https://www.databasestar.com/oracle-chr/ The Oracle CHR function allows users to provide a numeric code and return the ASCII character that matches the code. It’s the opposite of the ASCII function, which allows you to provide a character and return the code for that character. The syntax of the CHR function is: CHR(number_code [, USING NCHAR_CS]) The number code parameter is the code that you want to return the equivalent character for. The USING NCHAR_CS keyword means that the national character set will be used. More information on character sets can be found here: One common use of the CHR function is CHR(10). The number 10 is the line feed character, or “new line”, and is often used to start a new line of text. CHR(13) is also a common use, which is a carriage return. CHR(9) is a tab character. For more information on the Oracle CHR function, including the SQL used in this video, read the related article here: https://www.databasestar.com/oracle-chr/
Views: 127 Database Star
Unicode explained | Convert characters in Chuck Norris jokes - JavaScript example
 
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Unicode provides us with a standard list of unique codes for each character from most of the world’s writing systems. 1) The word “Encode” is a verb that means “convert to coded form.” 2) The word “Decode” is a verb that means “convert from coded form.” Let's check it out! Notebook link: https://beta.observablehq.com/@deeplizard/encode-and-decode-chuck-norris-jokes-in-unicode Prerequisites: Textual data explained: https://youtu.be/-XLZadCdo9Q CLIs Explained: https://youtu.be/oBP_umJb_2U Follow deeplizard: YouTube: https://www.youtube.com/deeplizard Twitter: https://twitter.com/deeplizard Facebook: https://www.facebook.com/Deeplizard-145413762948316 Steemit: https://steemit.com/@deeplizard Instagram: https://www.instagram.com/deeplizard/ Pinterest: https://www.pinterest.com/deeplizard/ Support deeplizard on Patreon: https://www.patreon.com/deeplizard Checkout products deeplizard suggests on Amazon: https://www.amazon.com/shop/deeplizard Support deeplizard by browsing with Brave: https://brave.com/dee530 Support deeplizard with crypto: Bitcoin: 1AFgm3fLTiG5pNPgnfkKdsktgxLCMYpxCN Litecoin: LTZ2AUGpDmFm85y89PFFvVR5QmfX6Rfzg3 Ether: 0x9105cd0ecbc921ad19f6d5f9dd249735da8269ef Recommended books on AI: The Most Human Human: What Artificial Intelligence Teaches Us About Being Alive: http://amzn.to/2GtjKqu Life 3.0: Being Human in the Age of Artificial Intelligence https://amzn.to/2H5Iau4 Playlists: Data Science - https://www.youtube.com/playlist?list=PLZbbT5o_s2xrth-Cqs_R9-us6IWk9x27z Machine Learning - https://www.youtube.com/playlist?list=PLZbbT5o_s2xq7LwI2y8_QtvuXZedL6tQU Keras - https://www.youtube.com/playlist?list=PLZbbT5o_s2xrwRnXk_yCPtnqqo4_u2YGL Crypto hardware wallets: Ledger Nano S: http://amzn.to/2FZGP7y Trezor: http://amzn.to/2FZHs0U Music: Deadly Roulette by Kevin MacLeod Scheming Weasel faster by Kevin MacLeod Monkeys Spinning Monkeys by Kevin MacLeod YouTube: https://www.youtube.com/channel/UCSZXFhRIx6b0dFX3xS8L1yQ Website: http://incompetech.com/ Licensed under Creative Commons: By Attribution 3.0 License http://creativecommons.org/licenses/by/3.0/
Views: 454 deeplizard
JavaScript Unicode Characters and Escape Sequences
 
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How to use Unicode characters and escape sequences in JavaScript. String.fromCharCode( ) and str.charCodeAt( ) are also discussed. Code GIST: https://gist.github.com/prof3ssorSt3v3/68d0f348cf378f31801efc2e51de8fec Unicode Reference: http://www.unicode.org/charts/
Views: 1116 Steve Griffith
Session6 Data type in Oracle
 
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Session 6: Datatypes In Oracle   ALPHABET           : A-Z , a-z NUMBER              : 0-9 (with precision and scale) DATE / Temporal  : any Date and time (Hours, Minutes, Seconds, Mili-seconds, Timestamp, Timezone etc)   Alphabet + Number = Alphanumeric Data                                     = String / CHARACTER Datatype Category Number                    =  Numeric Datatype Category Date                         = Date Datatype Category 1. CHARACTER Datatype: CHAR, VARCHAR, NCHAR: CHAR is fixed length datatype and VARCHAR is Variable length datatype to store character data. i.e. A-Z , a-z , 0-9 , all keyboard characters etc. The default size is 1 character and it can store maximum up to 2000 bytes. Example : EName, EmpID, PassportNo, SSN, etc. EName CHAR(10) := ‘TOM’; wastage of 7 space after the string EName VARCHAR(10) := ‘TOM’; Spaces can be Reuse which left after the string NCHAR additionally handles NLS(National Language Support). Oracle supports a reliable Unicode datatype through NCHAR , NVARCHAR2 , and NCLOB  VARCHAR2, NVARCHAR2: These are Variable length datatype. VARCHAR2 handles alphanumeric character string whereas NVARCHAR2 handles alphanumeric character string with NLS(National Language Support). The default size is 1 character and it can store maximum up to 4000 bytes.   LONG:  Variable length string.  (Maximum size: 2 GB - 1) Only one LONG column is allowed per table. RAW:    Variable length binary string (Maximum size 2000 bytes) LONG RAW: Variable length binary string (Maximum size 2GB) 2. NUMERIC Datatype: NUMBER: It stores Numeric values and performs numeric calculations. NUMBER,   NUMBER(n),   NUMBER(p,s) It stores Numbers up to 38 digits of precision. SeqNo NUMBER;                     1, 123, 12345678 EmpID NUMBER(4);                 1, 123, 1234 Sal NUMBER(7,2);                     23456.78 , 123.45 — correction in video: Sal NUMBER(a7,2); which is wrong please ignore. 1234567 can be a type of NUMBER, NUMBER(7), NUMBER(7,0) It can store both integer and floating point numbers NUMERIC(p,s) FLOAT:   Ex:  EmpSal FLOAT;    FLOAT(7)       Decimal Points allowed DEC(p,s), DECIMAL(p,s) , REAL, DOUBLE PRECISION INTEGER:   Ex:  SSN INTEGER;       Decimal Points are not allowed INT, SMALLINT 3. DATE Datatype: DATE: It stores DATE(Date, Month, Year) and Time(Hour, Minute, Second, AM/PM) and performs calculations with such data. Default DATE format in Oracle is “DD-MON-YY” Based on "Gregorian calendar" where the date ranges from “JAN 1 4712 BC” to “DEC 31 9999 AD” doj DATE;    “18-MAR-2010 12:30:00 PM” TIMESTAMP:    It can store all parameters as DATE datatype and additionally it can have “Fraction of seconds” and TIMESTAMP WITH TIMEZONE / TIMESTAMP WITHOUT TIMEZONE. Range from 0-9 digits, the default size is 6. 4. LOB Datatype: LOB: “Large Object” data. It can store pictures, motion pictures, Textfiles etc. CLOB: “Character Large Object” is used to store structured information like a text file with a specific file format. BLOB: “Binary Large Object” is used to store Un-structured information like Image, JPEG files, MPEG files etc. BFILE: “Binary File” is used to store the pointer to a specific file / Just store the location of a file. Maximum size: (4 GB - 1) * DB_BLOCK_SIZE initialization parameter (8 TB to 128 TB) Extra Information: NCLOB : It supports all the character set supported by CLOB and additionally it handles NLS(National Language Support ) Maximum size: (4 GB - 1) * DB_BLOCK_SIZE initialization parameter (8 TB to 128 TB) ROWID and UROWID(optional size) Datatype: contains fixed length Binary data. BBBBBBB.RRRR.FFFFF combination of BLOCK-ROW-DATABASE FILE Physical and Logical ROWID Upcoming Session: Session 7: Populating Data into Tables(INSERT Statement): Inserting data into all columns of a table Inserting data into Required columns of a table Inserting NULL value into a table Inserting Special Values(USER / SYSDATE) into a table Supplying data at runtime(using & and &&) THANK YOU :)
Views: 221 Prabhat Sahu
Convert UTF-16 Code into String with JavaScript | String.fromCharCode Method
 
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A quick video to explain how to use the 'fromCharCode' method on Strings in JavaScript. This method/function allows you to convert a UTF-16 Code Point into a String, or optionally, a sequence of Strings. A method like this would likely be more seen on server-side JavaScript code rather than the front-end, especially when dealing with files, network streams or encryption. In this video I take you through how this function works and how you can use it. Support me on Patreon: https://www.patreon.com/dcode For your reference, check this out: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/fromCharCode Follow me on Twitter @dcode! If this video helped you out and you'd like to see more, make sure to leave a like and subscribe to dcode!
Views: 473 dcode
Oracle SQL Tutorial 23 - Intro to Data Types
 
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Every column within a table has to be given what is known as a datatype. A data type is a fairly simple concept when you dissect the word. It is literally the type of data. Why do we use types, though? The biggest benefit is so that Oracle knows how to interpret and work with our data. It also makes the database better at rejecting incorrect data. If we had to concept of a data type, there would be a lot more work involved in forcing data to be of the right format. It would also be harder for us to get the database to treat the data in the correct way. In addition to this, a database can optimize storage and performance for a column if everything is of the same data type. Because of this, each column can only support one data type. There are numerous different data types in Oracle and it helps us if we categorize them. The first types of datatypes we should learn about are: String, Numeric, Temporal Now, there are few more categories we could make, but these are the main ones. We will worry about the other ones another day as I am only introducing the topic. A string data type is anything within quotes. Most databases use single quotes for string data. Inside of the quotes can be any number of characters. What is a character? Think of any letter, number, or symbol you can type. Some people call these letters, numbers, and symbols alphanumeric. Numeric data type includes only numbers. These data types are often used for data that you plan on using for mathematical calculations. Temporal data types are data types that are used for dates and times. Now, each data type is probably going to have some options you'll need to worry about, but one that comes up with every data type is storage. The reason we need to consider storage is because we may end up with millions of rows in a table and the difference between a few bytes for each row will make a huge difference when we look at the whole picture. When a data type gives you the option of size, you will want to a size that will be able to hold what you need, but nothing more. In the upcoming videos we are going to discuss the available data types in more detail. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Support me! http://www.patreon.com/calebcurry Subscribe to my newsletter: http://bit.ly/JoinCCNewsletter Donate!: http://bit.ly/DonateCTVM2. ~~~~~~~~~~~~~~~Additional Links~~~~~~~~~~~~~~~ More content: http://CalebCurry.com Facebook: http://www.facebook.com/CalebTheVideoMaker Google+: https://plus.google.com/+CalebTheVideoMaker2 Twitter: http://twitter.com/calebCurry Amazing Web Hosting - http://bit.ly/ccbluehost (The best web hosting for a cheap price!)
Views: 8308 Caleb Curry
Oracle DBA Justin - How to change the variable substitution character in sqlplus
 
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How to change the variable substitution character in sqlplus
Views: 2300 jbleistein11
Standards: ASCII vs Unicode (Java)
 
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The video looks at the underpinnings of Java's character (char) data type. It looks at how ASCII was created and show how Unicode took its place as the standard.
Views: 10851 Nathan Schutz
Java chars are not characters, but UTF-16 code units. Palindromes with surrogate pairs are fun!
 
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https://docs.oracle.com/javase/8/docs/api/java/lang/Character.html#unicode https://www.joelonsoftware.com/2003/10/08/the-absolute-minimum-every-software-developer-absolutely-positively-must-know-about-unicode-and-character-sets-no-excuses
Views: 247 Fred Overflow
Differences between Char and Varchar Datatypes |  MSSQL Training
 
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** For Online Training Registration: https://goo.gl/r6kJbB ? Call: +91-8179191999 💡 Visit Our Website for Classroom Training: https://nareshit.in/sql-server-training/ 💡 For Online Training: https://nareshit.com/course/sql-server-online-training/ #sqlserver #server #programming #course #Tutorials #Training #Videos -------------------------- 💡 About NareshIT: "Naresh IT is having 14+ years of experience in software training industry and the best Software Training Institute for online training, classroom training, weekend training, corporate training of Hadoop, Salesforce, AWS, DevOps, Spark, Data Science, Python, Tableau, RPA , Java, C#.NET, ASP.NET, Oracle, Testing Tools, Silver light, Linq, SQL Server, Selenium, Android, iPhone, C Language, C++, PHP and Digital Marketing in USA, Hyderabad, Chennai and Vijayawada, Bangalore India which provides online training across all the locations -------------------------- 💡 Our Online Training Features: 🎈 Training with Real-Time Experts 🎈 Industry Specific Scenario’s 🎈 Flexible Timings 🎈 Soft Copy of Material 🎈 Share Videos of each and every session. -------------------------- 💡 Please write back to us at 📧 [email protected]/ 📧 [email protected] or Call us at the USA: ☎+1404-232-9879 or India: ☎ +918179191999 -------------------------- 💡 Check The Below Links ► For Course Reg: https://goo.gl/r6kJbB ► Subscribe to Our Channel: https://goo.gl/q9ozyG ► Circle us on G+: https://plus.google.com/+NareshIT ► Like us on Facebook: https://www.facebook.com/NareshIT ► Follow us on Twitter: https://twitter.com/nareshitek ► Follow us on Linkedin: https://goo.gl/CRBZ5F ► Follow us on Instagram: https://goo.gl/3UXYK3
Views: 18598 Naresh i Technologies
Mathias Bynens: RegExp.prototype.unicode | JSConf EU 2015
 
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User input and string manipulation are central to development, but many engineers and even popular libraries struggle with Unicode. And ECMAScript 5 doesn’t help, with many built-in string manipulation functions offering puzzling results. Security and the need for internationalization both throw these issues into stark relief. This talk highlights the many problems related to Unicode in JavaScript regular expressions, demonstrates how ES6 (aka. ECMAScript 2015) helps solve these issues, and explains how to polyfill in the mean time. You’ll walk away from this presentation knowing how to create Unicode-aware regular expressions in JavaScript with ease. You can read more on Mathias blog: https://mathiasbynens.be/notes/es6-unicode-regex Intro music by @halfbyte
Views: 1689 JSConf
Working with Primary & Foreign key Constraint in SQL Server | SQL Server Tutorial
 
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** For Online Training Registration: https://goo.gl/r6kJbB ? Call: +91-8179191999 💡 Visit Our Website for Classroom Training: https://nareshit.in/sql-server-training/ 💡For Online Training: https://nareshit.com/course/sql-server-online-training/ #sqlserver #server #programming #course #Tutorials #Training #Videos -------------------------- -------------------------- 💡 About NareshIT: "Naresh IT is having 14+ years of experience in software training industry and the best Software Training Institute for online training, classroom training, weekend training, corporate training of Hadoop, Salesforce, AWS, DevOps, Spark, Data Science, Python, Tableau, RPA , Java, C#.NET, ASP.NET, Oracle, Testing Tools, Silver light, Linq, SQL Server, Selenium, Android, iPhone, C Language, C++, PHP and Digital Marketing in USA, Hyderabad, Chennai and Vijayawada, Bangalore India which provides online training across all the locations -------------------------- 💡 Our Online Training Features: 🎈 Training with Real-Time Experts 🎈 Industry Specific Scenario’s 🎈 Flexible Timings 🎈 Soft Copy of Material 🎈 Share Videos of each and every session. -------------------------- 💡 Please write back to us at 📧 [email protected]/ 📧 [email protected] or Call us at the USA: ☎+1404-232-9879 or India: ☎ +918179191999 -------------------------- 💡 Check The Below Links ► For Course Reg: https://goo.gl/r6kJbB ► Subscribe to Our Channel: https://goo.gl/q9ozyG ► Circle us on G+: https://plus.google.com/+NareshIT ► Like us on Facebook: https://www.facebook.com/NareshIT ► Follow us on Twitter: https://twitter.com/nareshitek ► Follow us on Linkedin: https://goo.gl/CRBZ5F ► Follow us on Instagram: https://goo.gl/3UXYK3
Views: 66951 Naresh i Technologies
SQL String Functions PART  -- 2
 
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sql String functions are used in computer programming languages to manipulate a string or query information about a string (some do both). ... The most basic example of a string function is the length(string) function. This function returns the length of a string literal.Scalar-valued UDFs are an easy way to define constant values to use in your database environment. You can pass field values as parameters into UDFs. You can nest scalar function calls. This means that you can pass a call to a scalar-valued function to another function or stored procedure.Numeric functions perform manipulation of numbers that normally are contained in a table column. ... Returns a numeric value, rounded to the specified length or precision. SIGN() SQL server, MySQL, Oracle, PostgreSQL. Returns the positive (+1), zero (0), or negative (-1) sign of a numeric expression.A stored function (also called a user function or user-defined function) is a set of PL/SQL statements you can call by name. Stored functions are very similar to procedures, except that a function returns a value to the environment in which it is called. User functions can be used as part of a SQL expression.Function must return a value but in Stored Procedure it is optional( Procedure can return zero or n values). Functions can have only input parameters for it whereas Procedures can have input/output parameters . ... Functions can be called from Procedure whereas Procedures cannot be called from Function,The CTE was introduced into standard SQL in order to simplify various classes of SQL Queries for which a derived table just wasn't suitable. ... Introduced in SQL Server 2005, the common table expression (CTE) is a temporary named result set that you can reference within a SELECT, INSERT, UPDATE, or DELETE statement.The isDate(string, string) function accepts two string arguments. It takes them, compares the first argument with the second as a pattern and, if the first string can be converted to a date which is valid within system value of locale , according to the specified pattern , the function returns true.printf does the same, treating %s as a pointer-to-string. In C, variables that are arrays become a pointer to the first element of the array when used as function arguments -- so your scanf() sees a pointer to memory (assuming "str1" is an array). SQL - Useful Functions SQL COUNT Function - The SQL COUNT aggregate function is used to count the number of rows in a database table. SQL MAX Function - The SQL MAX aggregate function allows us to select the highest (maximum) value for a certain column. More items... SQL has many built-in functions for performing processing on string or numeric data. Following is the list of all useful SQL built-in functions − SQL COUNT Function - The SQL COUNT aggregate function is used to count the number of rows in a database table. SQL MAX Function - The SQL MAX aggregate function allows us to select the highest (maximum) value for a certain column. SQL MIN Function - The SQL MIN aggregate function allows us to select the lowest (minimum) value for a certain column. SQL - The SQL AVG aggregate function selects the average value for certain table column. SQL SUM Function - The SQL SUM aggregate function allows selecting the total for a numeric column. SQL SQRT Functions - This is used to generate a square root of a given number. SQL RAND Function - This is used to generate a random number using SQL command. SQL CONCAT Function - This is used to concatenate any string inside any SQL command. SQL Numeric Functions - Complete list of SQL functions required to manipulate numbers in SQL. SQL String Functions - Complete list of SQL functions required to manipulate strings in SQL. Returns a Unicode string with the delimiters added to make the input string a valid SQL Server delimited identifier. REPLACE. Replaces a sequence of characters in a string with another set of characters. REPLICATE. Repeats a string value a specified number of times.SQL. Character Functions with Examples. Character functions accept character inputs and can return either characters or number values as output. SQL provides a number of different character datatypes which includes – CHAR, VARCHAR, VARCHAR2, LONG, RAW, and LONG RAW.Aggregate Functions: Aggregates the values and return a single value, below is the list of some aggregate values in sql server. These functions are created by user in the system database, and we have 3 types of user define functions: Scalar Function. Inline Table-Valued Function.
Views: 49 Technology mart
Unicode
 
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Have you heard about Unicode before? The concepts are actually quite simple. In this video, we explain what Unicode is and how it could help you avoid disaster. ------------------------------------------------------------------ Plug into BitMerge Twitter: http://www.twitter.com/BitMerge Resources: https://unicode-table.com http://unicode.org/standard/WhatIsUnicode.html https://en.wikipedia.org/wiki/Universal_Coded_Character_Set http://unicode.org/history/ https://en.wikipedia.org/wiki/Unicode http://unicode.org/faq/basic_q.html http://www.cnn.com/TECH/computing/9907/06/1963.idg/index.html https://stackoverflow.com/questions/496321/utf-8-utf-16-and-utf-32 https://newatlas.com/space-failures-mishaps/46050/
Views: 1327 BitMerge
ASCII - EBCDIC - Unicode
 
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Views: 2951 Mian A. Shah
Oracle Tutorial || Oracle|Adv Sql | Special Characters DUAL by basha
 
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DURGASOFT is INDIA's No.1 Software Training Center offers online training on various technologies like JAVA, .NET , ANDROID,HADOOP,TESTING TOOLS ,ADF,INFORMATICA,TABLEAU,IPHONE,OBIEE,ANJULAR JS, SAP... courses from Hyderabad & Bangalore -India with Real Time Experts. Mail us your requirements to [email protected] so that our Supporting Team will arrange Demo Sessions. Ph:Call +91-8885252627,+91-7207212428,+91-7207212427,+91-8096969696. http://durgasoft.com http://durgasoftonlinetraining.com https://www.facebook.com/durgasoftware http://durgajobs.com https://www.facebook.com/durgajobsinfo......
VB.NET And SQL - Datagridview Search Data Using Visual  Basic .Net [ with source code ]
 
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Search Data In SQL And Display On DataGridView In VB Net Source Code: http://1bestcsharp.blogspot.com/2016/09/vb.net-sql-search-data-and-display-datagridview.html ------------------ Check out my VB.Net Projects! -------------------- ▶ Inventory Management System - http://bit.ly/Vbnet_Inventory_System ▶ Students Information System - http://bit.ly/VbnetStudent_System ▶ Contacts Management System - http://bit.ly/Vbnet_Contacts ▶ All My Programming Projects Here - http://bit.ly/2HrU8hK ▶ My Source Code Store Here - http://bit.ly/2OsC0TU -------------------------- VB.NET COURSE ----------------------------- ▶ Learning Visual Basic .NET - http://bit.ly/2wnNiVt -------------------------------------------------------------------- Programming Projects: http://1bestcsharp.blogspot.com/p/programming-projects.html visit our blog https://1bestcsharp.blogspot.com/ facebook: https://www.facebook.com/1BestCsharp twitter: https://www.twitter.com/1BestCsharp_ subscribe: http://goo.gl/nRjPKk C# And Java Programming Books http://1bestcsharp.blogspot.com/2015/04/c-and-java-programming-books.html In This VB.NET Tutorial We Will See How To Search Records From SqlServer Database On Button Click Event And Text Changed Event With Microsoft SQL DataBase Using Visual Basic .NET Programming Language. subscribe for more tutorials VB.NET And SQL Server Database Tutorials: Connect SqlServer Database With Vb.net https://www.youtube.com/watch?v=098akejVsG8 Select And Display Data From SQL Server Database Using Vbnet https://www.youtube.com/watch?v=z3NpONNl2Qk Insert Data Into SQLServer Database Using VB NET https://www.youtube.com/watch?v=MWP8geR76kI Update Data In Database Using Vbnet https://www.youtube.com/watch?v=VC2XRfxmNBM Delete Data From SQL Server Database Using Visual Basic .NET https://www.youtube.com/watch?v=NSRDbI4Jra0 Search Values From SQL Server Database And Set It Into TextBox In Visual Basic .NET https://www.youtube.com/watch?v=CarCQoqDCGM Populate ComboBox From SQL Values In VbNet https://www.youtube.com/watch?v=3LIOcTLPh80 SQL Server Records Navigation Using Visual Basic.Net https://www.youtube.com/watch?v=DnAYjApOEtI Datagridview Search Data Using VB.Net https://www.youtube.com/watch?v=zn4zgBeUwnA Insert Update Delete https://www.youtube.com/watch?v=u9DqI0oAzmk Login Form With SQL Database https://www.youtube.com/watch?v=a9wloibYVNI VB NET Using SQL Stored Procedures https://www.youtube.com/watch?v=O_olT5FnqOg Insert Image Into SQL DataBase Part 1: https://www.youtube.com/watch?v=3ZjsimNLdLY Part 2: https://www.youtube.com/watch?v=u1vpYKkPquI Retrieve Image From SQL DataBase In Visual Basic.net https://www.youtube.com/watch?v=GUNZ1hfCsHc Retrieve Images From SQL DataBase Into DataGridView In VB.net https://www.youtube.com/watch?v=F72XSYlOwxk
Views: 112381 1BestCsharp blog