日期:2014-05-17 浏览次数:20526 次
SELECT xx FROM
(SELECT XX FROM A INNER JOIN B ON XX=XX) AS A
INNER JOIN
(SELECT XX FRROM C LEFT OUTER JION D ON XX=XX) AS B
ON XX=XX
……
SELECT XX FROM (select ……) AS A INNER JON (select ……) AS B ON XX=XX WHERE XX
SELECT XX FROM (select ……WHERE XX) AS A INNER JON (select ……WHERE XX) AS B ON XX=XX