• 2022-05-28
    从student表删除年龄大于30的记录的正确SQL命令是______。
    A: DELETE FOR年龄>30
    B: DELETE FROM student WHERE年龄>30
    C: DELETE student FOR年龄>30
    D: DELETE student WHILE年龄>30
  • B

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    • 0

      使用SQL语句将学生表S中年龄(AGE)大于30岁的记录删除,正确的命令是() A: DELETE FOR AGE>30 B: DELETE FROM S WHERE AGE>30 C: DELETE S FOR AGE>30 D: DELETE S WHERE AGE>30

    • 1

      使用SOL语句将学生表S中年龄(AGE)大于30岁的记录删除,正确的命令是()。 A: DELETE FOR AGE>30 B: DELETE FROM S WHERE AGE>30 C: DELETE S FOR AGE>30 D: DELETE S WHERE AGE > 3

    • 2

      删除学生表STUDENT中的年龄(字段名为AGE)小于20岁的记录,应该使用的SQL命令是DELETE FROM STUDENT【1】

    • 3

      下列关于删除表中记录的SQL语句,正确的是( )。 A: DELETE student,where id=11; B: DELETE FROM student where id=11; C: DELETE INTO student where id=11; D: DELETE student where id=11;

    • 4

      删除student表中id为1的记录,下列语句正确的是 A: DELETE student WHERE id=1; B: DELETE FROM student WHERE id=1; C: DELETE FROM student WHERE id:=1; D: DELETE student WHERE id:=1;