我有三张桌子doodhiya,doodhdata和cashdata。sqlite多表加入...怎么样?
我特林加入这些并以此获取代码所需要的一些数据,但不succedd
SELECT dname,ddate,dmonth,dyear,dmilk,uid
FROM doodhiya
INNER JOIN doodhiya.dhid = doodhdata.ddhid
INNER JOIN doodhdata.dhid = cashdata.uid
WHERE (dname='$mik' AND dmonth='$mikdatem' AND dyear='$mikdatey')
ORDER BY ddate ASC
PLS暗示我什么,我必须做的......?
这又如何声明涉及到原来的问题? – 2012-08-02 08:19:31