摘要: SQL: SELECT TOP 100 statement AS 表 , equality_columns AS 相等列 , inequality_columns AS 不相等列 , included_columns AS 包含列 , user_scans + user_seeks AS 总查询次数 阅读全文
posted @ 2017-06-05 16:06 烽火情怀 阅读(333) 评论(0) 推荐(0) 编辑