摘要: SELECT (a.cntr_value * 1.0 / b.cntr_value) * 100.0 [BufferCacheHitRatio]FROM (SELECT * FROM sys.dm_os_performance_countersWHERE counter_name = 'Buffer... 阅读全文
posted @ 2014-08-26 13:48 LeonGo 阅读(2662) 评论(0) 推荐(0) 编辑