HomeProgramSQL Server

ASCII function in SQL Server

The article will learn and guide you how to use the ASCII () function in SQL Server to get the ASCII code of a character.

Describe

ASCII function in SQL Server is used to convert character expressions into ASCII code values ​​of the leftmost character of the expression.

Syntax

To run ASCII function in SQL Server, we use the following syntax:

 ASCII(bieu thuc ky tu)

Parameters :

  1. description: the expression returns ASCII code. If you enter more than one character , the ASCII function will return the value of the first character and ignore all the characters behind it .
  2. ASCII function inverses CHAR function.

ASCII function can only be used in later versions of SQL Server: SQL Server 2017, SQL Server 2016, SQL Server 2014, SQL Server 2012, SQL Server 2008 R2, SQL Server 2008, and SQL Server 2005.

For example

Take a look and explore some examples of ASCII functions in SQL Server.

 SELECT ASCII('q'); 
 Result: 113 
 
 SELECT ASCII('quantrimang.com'); 
 Result: 113 
 
 SELECT ASCII('Q'); 
 Result: 81 
 
 SELECT ASCII('TipsMake.com'); 
 Result: 81

See also: ASCII encoding and Latin character table ISO 1252

Previous article: FOR loop in SQL Server

Next lesson: Function CHAR in SQL Server

4 ★ | 1 Vote
mssqlascii functionascii function syntax

You should read it

May be interested

  • ABS function in SQL ServerABS function in SQL Server
    this article will show you in detail how to use the abs () handling function in sql server with specific syntax and examples to better visualize and capture functions.
  • DATEPART function in SQL ServerDATEPART function in SQL Server
    the datepart function in sql server returns a time value of the input argument, which can be day, month, year, quarter, hour, minute, second, millisecond ... the return value is an integer type (int)
  • ROUND function in SQL ServerROUND function in SQL Server
    the article will give you detailed instructions on how to use the sql server round () function with the syntax and specific examples to make it easier to visualize and capture the function better.
  • CEILING function in SQL ServerCEILING function in SQL Server
    the ceiling function in sql server returns the smallest integer value greater than or equal to the transmitted numeric expression.
  • RIGHT function in SQL ServerRIGHT function in SQL Server
    the article will explore and guide you how to use the right function in sql server to extract some characters from the right side of a given string.
  • FLOOR function in SQL ServerFLOOR function in SQL Server
    the floor function in sql server returns the largest integer value but less than or equal to the transmitted numeric expression.
  • MONTH function in SQL ServerMONTH function in SQL Server
    this article will show you in detail how to use the datetime month () processing function in sql server with specific syntax and examples to better visualize and capture functions.
  • DATEDIFF function in SQL ServerDATEDIFF function in SQL Server
    this article will show you in detail how to use sql server's datetime datediff () function with syntax and specific examples to make it easier to visualize and capture functions.
  • GETUTCDATE function in SQL ServerGETUTCDATE function in SQL Server
    this article will show you in detail how to use datetime getutcdate () function in sql server with specific syntax and examples to better visualize and capture functions.
  • SQL Server YEAR functionSQL Server YEAR function
    sql server's year function returns a 4-digit integer that is the year value in the timestamp passed.

SQL Server