避免bookmark lookup的查询

select Age1 from Student where Name = '张三' create nonclustered index Tw on Student(Name) include(Age1) 创建索引时,可以加上这个 include(Age1)
posted @ 2022-07-23 09:46  艾特-天空之海  阅读(10)  评论(0编辑  收藏  举报