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ASCII Function in SQL Server: Tips and Examples

Understand ASCII Function in SQL Server with clear explanations, practical examples, and useful tips. This updated guide covers the essential concepts and...

Table of Contents

ASCII Function in SQL Server is easier to understand when the core ideas are paired with practical examples. The sections below explain the topic clearly, highlight useful steps, and point out details that can prevent common errors.

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 helps 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 :

  • 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 .
  • 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.

As an example,

Next lesson: Function CHAR in SQL Server

FAQ

What should you know about describe?

ASCII function in SQL Server helps convert character expressions into ASCII code values of the leftmost character of the expression.

What should you know about syntax?

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

What should you know about as an example,?

Next lesson: Function CHAR in SQL Server.

Discussion

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