Oracle LOWER function
Description
The Oracle LOWER() function returns a specified character expression in lowercase letters.
Syntax:
LOWER(cExpression)
Parameters:
Name | Description | Data Types |
---|---|---|
cExpression | The given character expression. | CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB |
Return Value Type
CHAR, VARCHAR2, NCHAR, NVARCHAR2, CLOB, or NCLOB
Note: For linguistic-sensitive uppercase and lowercase, refer to NLS_INITCAP.
Applies to
Oracle 12c, Oracle 11g, Oracle 10g, Oracle 9i, Oracle 8i
Pictorial Presentation

Examples: Oracle LOWER function
The following example returns the first name of the employees in lower case.
Sample table: employees
SQL> SELECT LOWER(first_name) FROM employees;
Output :
LOWER(FIRST_NAME) -------------------- ellen sundar mozhe david hermann shelli amit elizabeth sarah david ......
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