2013年3月26日
SQLSERVER - Index
摘要： 1.Introduction to IndexesCreation of well-chosen indexes can greatly improve database performance.2.Noclustered Index and Clustered Index*Nonclustered IndexWe know now that a nonclustered index has the following features. A nonclustered index:☆Is a sorted set of entries.☆Has one entry per row of the 阅读全文
posted @ 2013-03-26 23:04 raysbo 阅读(611) 评论(0) 推荐(0)