编辑:我的一个表中的SELECTDISTINCT值有一个大问题。表1:T1pidthingsub-thingtnumber-------------------------------------------1A1212A01A000011234562A1212A01A000021234573A1212A01A000021234584A1214A01B000011234595A1214A01B000021234606A1214A01B000011234617A1217C01A00001123462表2:T2idpidthingsub-thingtnumberh1------------