ReferenceSQL FunctionsString functionslowerVersion: Latest-4.1On this pageCopy as MarkdownView as Markdown/docs/sql-reference/sql-functions/string-functions/lower.mdOpen in ClaudeOpen in ChatGPTBrowse all docs as Markdown/llms.txtlower Converts all strings in an argument to lower-case. Syntaxβ INT lower(VARCHAR str) Examplesβ MySQL > SELECT lower("AbC123");+-----------------+| lower('AbC123') |+-----------------+| abc123 |+-----------------+ keywordβ LOWER