SELECTi.id_number,m.manufacturer_nameFROM inventory i,manufacturer mWHERE i.manufacturer_id(+) = m.id_number;WHERE 子句中的(+)是什么含义A 将inventory表中不满足条件的记录也查出来B 将i.manufacturer_id+ m.id_numberC将manufa

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/17 02:43:43
x[KA\ZMmFD(Kj]eӠB&LH j c `Z7u7| {[ l{EX, %(LO(m+ohn%87b zGTTj^ DUT -* QTҴD.ҨR`Zzǵ8*H*"3aj˖u<As/qҝ}Mg4ӜJoIkۧzuԕh/;yG(jxѮZ%F.YH$J&']9߬q-ʑ5aVWүqvۈYDlD?4d¬аbjc 0c45Z{AcGFfm6b`2j8˺#{dD