能将表student中id小于4的记录grade字段值修改为100的SQL语句是()。
A.ALTERTABLEstudentSETgrade=100WHEREid<4 B.UPDATEstudentSETgrade=100WHEREid<4 C.UPDATEstudentgrade=100WHEREid<=4 D.UPDATETABLEstudentSETgrade=100WHEREid<4正确答案B
能将表student中id小于4的记录grade字段值修改为100的SQL语句是()。
A.ALTERTABLEstudentSETgrade=100WHEREid<4 B.UPDATEstudentSETgrade=100WHEREid<4 C.UPDATEstudentgrade=100WHEREid<=4 D.UPDATETABLEstudentSETgrade=100WHEREid<4正确答案B