Hi, cast ?????????? ??1??DEPARTMENTCLASS ??2??table2 DEPARTMENTCLASS.DEPARTMENTCLASSID ?? int ???? table2.FDIMID ??varchar????
??join???????????????? select ... inner join ... on CAST(DEPARTMENTCLASS.DEPARTMENTCLASSID AS VARCHAR(20))= table2.FDIMID ?????? on CAST(DEPARTMENTCLASS.DEPARTMENTCLASSID AS VARCHAR(20))= on CAST(table2.FDIMID AS VARCHAR(20)) ???????????? ??sql??????mysql?????????????????????? ?????????????????? ????????
