Mit

PatIndex('%[^0-9]%' 로 nums의 3자리가 int형인지 검사하고(참이면 3, 아니면 0) 자기 자신 db를 조인해서 일괄업데이트진행. ________________________________________________________________________________________ Update db set ClsNum == aa from db as A Join ( Select aa, ids from( Select nums as aa, ids from( Select PatIndex('%[^0-9]%', left(VarNums,3) ) as nums , * from db where len(VarNums)>3 ) as AB where aa = 3 ) as ABB ) AS B on A..