ReferenceSQL FunctionsString functionsucaseVersion: Latest-4.1On this pageCopy as MarkdownView as Markdown/docs/sql-reference/sql-functions/string-functions/ucase.mdOpen in ClaudeOpen in ChatGPTBrowse all docs as Markdown/llms.txtucase 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