SQL 查看SQL语句的执行时间 直接有效的方法

SET STATISTICS PROFILE ON; 
SET STATISTICS IO ON; 
SET STATISTICS TIME ON; 
GO
/*--你的SQL脚本开始*/
SELECT  [GroupBy1].[A1] AS [C1]
FROM    ( SELECT    COUNT(1) AS [A1]
          FROM      [dbo].[Questions] AS [Extent1]
          WHERE     ( [Extent1].[CheckUser] IS NOT NULL )
                    AND ( NOT ( ( N‘‘ = [Extent1].[CheckUser] )
                                AND ( [Extent1].[CheckUser] IS NOT NULL )
                              )
                        )
                    AND ( [Extent1].[Source] IN ( N‘xxx1‘, N‘xxx2‘, N‘xxx3‘ ) )
                    AND ( [Extent1].[Source] IS NOT NULL )
        ) AS [GroupBy1];

/*你的SQL脚本结束*/
GO 
SET STATISTICS PROFILE OFF;
SET STATISTICS IO OFF;
SET STATISTICS TIME OFF;