MySQL: UPPER Function
This MySQL tutorial explains how to use the MySQL UPPER function with syntax and examples.
Description
The MySQL UPPER function converts all characters in the specified string to uppercase. If there are characters in the string that are not letters, they are unaffected by this function.
Syntax
The syntax for the UPPER function in MySQL is:
UPPER( string )
Parameters or Arguments
- string
- The string to convert to uppercase.
Note
- The UPPER function will convert the characters using the current character mapping set, which is latin1, by default.
- The UCASE function is a synonym for the UPPER function.
Applies To
The UPPER function can be used in the following versions of MySQL:
- MySQL 5.7, MySQL 5.6, MySQL 5.5, MySQL 5.1, MySQL 5.0, MySQL 4.1, MySQL 4.0, MySQL 3.23
Example
Let's look at some MySQL UPPER function examples and explore how to use the UPPER function in MySQL.
For example:
mysql> SELECT UPPER('Tech on the Net'); Result: 'TECH ON THE NET' mysql> SELECT UPPER('Techonthenet.com 123 '); Result: 'TECHONTHENET.COM 123 '
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