小编Niț*_*dru的帖子

什么是最好的(资源和速度低)？

SELECT     C.[col1]
           , D.[col2] 
    FROM   tbl1 C,
           tbl2 D 
    WHERE  C.[colid] = D.[colid]

要么

SELECT  [tbl1].[col1], [tbl2].[col2]    
FROM    [tbl1] INNER JOIN [tbl2] ON
        [tbl1].[colid] = [tbl2].[colid]

谢谢!

UPDATE

阅读这篇文章.