ReferenceSQL ReferenceSQL FunctionsfunctionsUNBASE64On this pageUNBASE64Categories: String, BinaryUNBASE64Decodes a Base64-encoded string.SyntaxUNBASE64(expression varchar) → varbinaryexpression: A Base64-encoded string.ExamplesUNBASE64 exampleSELECT CAST(UNBASE64('RHJlbWlv') AS VARCHAR)-- Dremio