Oracle / PLSQL: LOWER Function

This Oracle tutorial explains how to use the Oracle/PLSQL LOWER function with syntax and examples.

Description

The Oracle/PLSQL LOWER function converts all letters in the specified string to lowercase. If there are characters in the string that are not letters, they are unaffected by this function.

Syntax

The syntax for the LOWER function in Oracle/PLSQL is:

LOWER( string1 )

Parameters or Arguments

string1

The string to convert to lowercase.

Returns

The LOWER function returns a string value.

Note

• See also the UPPER function.

Applies To

The LOWER function can be used in the following versions of Oracle/PLSQL:

• Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i, Oracle 8i

Example

Let's look at some Oracle LOWER function examples and explore how to use the LOWER function in Oracle/PLSQL.

For example:

LOWER('THIS IS IN LOWER');
Result: 'this is in lower'

LOWER('WE ARE IN UPPER');
Result: 'we are in upper'