{"avoid_when":"需要更强标准 SQL/扩展（常看 Postgres）","content_hash":"59f6c6bfe09a2bfe808bd1e4f477610d176c2044e747bc63d8ebbd7d7aeaab1b","domain":"databases","evidence_urls":["https://github.com/mysql/mysql-server"],"id":"mysql","language":"C++","license":"","name":"MySQL","niche":"relational db","repo":"https://github.com/mysql/mysql-server","source_updated_at":null,"status":"active","summary":"广泛使用的开源关系型数据库。","tags":["rdbms","sql"],"use_when":"团队熟悉 MySQL/生态工具链","verification_status":"unverified","verified_at":null}