SQL几种分页语句性能对比

SET STATISTICS  IO ON
select * from ( 
select * , ROW_NUMBER() OVER(ORDER BY Taskid asc)  as num 
from Task 
)   as a  where num between  30 and  40
(11 行受影响)
表 'Task'。扫描计数 1,逻辑读取 46 次,物理读取 0 次,预读 0 次,lob 逻辑读取 0 次,lob 物理读取 0 次,lob 预读 0 次。


SELECT TOP 10 * FROM Task WHERE TaskId NOT IN (SELECT TOP 30 TaskId FROM  Task)
SET STATISTICS IO OFF


(10 行受影响)
表 'Task'。扫描计数 2,逻辑读取 123 次,物理读取 0 次,预读 0 次,lob 逻辑读取 0 次,lob 物理读取 0 次,lob 预读 0 次。

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转载自wo13145219.iteye.com/blog/2026925