Converts all characters in a string to lowercase.
| Parameter | Description | 
|---|---|
| string-expression | The string to be converted to lowercase. | 
CHAR
NCHAR
LONG VARCHAR
VARCHAR
NVARCHAR
The result data type is a LONG VARCHAR. If you use LCASE in a SELECT INTO statement, you must have an Unstructured Data Analytics Option license or use CAST and set LCASE to the correct data type and size.