SELECT A.MC00,
Y1.SL01,
Y2.SL02,
Y3.SL03
FROM A,Y1,Y2,Y3
WHERE A.DM00=Y1.DMOO(+)
AND A.DM00=Y2.DMOO(+)
AND A.DM00=Y3.DM00(+)
Y1.SL01,
Y2.SL02,
Y3.SL03
FROM A,Y1,Y2,Y3
WHERE A.DM00=Y1.DMOO(+)
AND A.DM00=Y2.DMOO(+)
AND A.DM00=Y3.DM00(+)
还是没用
我的是oracle817