ReferenceSQL FunctionsString functionsucaseVersion: 4.0On this pageucase This function converts a string to upper-case. It is analogous to the function upper. Syntaxβ VARCHAR ucase(VARCHAR str) Examplesβ mysql> SELECT ucase("AbC123");+-----------------+|ucase('AbC123') |+-----------------+|ABC123 |+-----------------+ keywordβ UCASE