# Sharding ID generator overview

- [Auto-increment key](/mess-around/traditional-db/overview/sharding-id-generator-overview/id_autoincrement_key.md)
- [UUID](/mess-around/traditional-db/overview/sharding-id-generator-overview/id_uuid.md)
- [Snowflake](/mess-around/traditional-db/overview/sharding-id-generator-overview/id_snowflake.md)
- [Implement example](/mess-around/traditional-db/overview/sharding-id-generator-overview/id_system_database_based.md)
