SQL语句：ALTERTABLESTU—DENTlCOLUMNXHINT，功能是将表STUDENTl的COLUMN列变成INT型的，应填人()
A.CREATE B.ALTER C.INSERT D.DELETE正确答案B
SQL语句：ALTERTABLESTU—DENTlCOLUMNXHINT，功能是将表STUDENTl的COLUMN列变成INT型的，应填人()
A.CREATE B.ALTER C.INSERT D.DELETE正确答案B
