ReferenceSQL language referenceFunctionsBuilt-in functionsAlphabetical list of built-in functionslcase functionOn this pagelcase function Applies to: Databricks SQL Databricks Runtime Returns expr with all characters changed to lowercase according to the collation of expr. Syntax lcase(expr) Arguments expr: A STRING expression. Returns A STRING. Examples SQL> SELECT lcase('LowerCase'); lowercase Related functions lower function initcap function ucase function upper function