摘要： 一直对执行计划中Index的'Table Scan','Index Seek','Index Scan','Clustered Index Scan','Clustered Index Seek'理解的不是很清楚.于是建立了个实际的表，插入了数据.做做实验。CREATE TABLE [dbo].[PerformanceIssue]( [PRID] [uniqueidentifier] NOT NULL, [PRCode] [int] NOT NULL, [PRDesc] [varchar](100) COLLATE 阅读全文