mysql

MySQL DBA技能，包括模式设计审查、索引、查询性能调优（EXPLAIN）、事务/隔离问题、复制/高可用性、备份/恢复以及操作检查表。用于诊断慢查询、设计键/索引、分区策略和安全在线模式更改等任务。

MySQL DBA skill for schema design review, indexing, query performance tuning (EXPLAIN), transaction/isolation issues, replication/high availability, backup/restore, and operational checklists. Use for tasks like diagnosing slow queries, designing keys/indexes, partitioning strategy, and safe online schema changes.