1. 重演：SQL性能分析器是一个整体调整工具,治理员可以通过该工具在数据库上定义和重演(replay) 一个典型的工作负载,之后治理员可以调节整体参数来使数据库尽快的达到最佳性能--而这一任务同样也是许多年以来由数据库治理员手动完成的.

noun

1. the immediate rebroadcast of some action (especially sports action) that has been recorded on videotape

Synonym: instant replayaction replay

2. something (especially a game) that is played again

Synonym: rematch