sql 查询缺失关键字答:sql 查询缺失关键字 selectt.contractnum,c.customername,t.outbankbranch,b.COBORROWERNAME,nullcardtype,c.idcard,t.address,t.corpaddress,t.telephone,nullcorptype,b.idcard,b.houseaddress,b.telep... select t.contractnum, c.customername, t.outbankbranch, b.COBORROWERNAME, null cardtype,...