求Query
有这样一张表
create table DBTest (OID int,Oname nvarchar(100),PID int,Com nvarchar(100))insert into DBTest values ('12345','ABC','364','CZZXXCC')insert into DBTest values ('12346','ABC','364','EZZXXEE')insert into DBTest values ('12350','DFGFG','362','CCZZXXDD')insert into DBTest values ('12351','DFGFG','365','EEZZXXFF')insert into DBTest values ('12355','XXCVD','362','WWZZXXD')insert into DBTest values ('12356','XXCVD','364','GGZZXXV')SELECT a.* FROM dbtest a INNER JOIN dbtest b ON a.oname=b.onameWHERE a.pid<>b.pid/*OID Oname PID Com----------- ---------------------------------------------------------------- ----------- ----------------------------------------------------------------12351 DFGFG 365 EEZZXXFF12350 DFGFG 362 CCZZXXDD12356 XXCVD 364 GGZZXXV12355 XXCVD 362 WWZZXXD(4 行受影响)*/