Lower() Function Example In MySQL and SQL Server is today’s topic. The SQL LOWER function converts all the characters in a string into lowercase. If you want to convert all characters in a string into uppercase, you should use the UPPER function. SQL LOWER function is used for lowering the case of a string, i.e. all the characters in the specified string will be converted to lower case. This is one of the  String functions.

SQL LOWER Function

See the following syntax.

SELECT LOWER (input_string)

PARAMETERS:

Input_string: It is the string whose characters are to be converted to lowercase. The input string can be any string or any table column.

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