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MariaDB Data Types Reference

Browse MariaDB data type references, including the JSON alias and the native UUID type.

  1. JSON

    Understand MariaDB JSON columns as LONGTEXT aliases, automatic JSON_VALID checks, string comparison behavior, and MySQL compatibility limits.

  2. UUID

    MariaDB’s UUID data type stores 128-bit UUID values, supports UUIDv1/v4/v7 generation functions, and uses index-friendly storage ordering.