• 2022-06-06
    以下语句能正确删除数据表“Student”的是( )。
    A: DELETE TABLE Student
    B: DROP Student
    C: DROP TABLE Student
    D: DELETE Student
  • C

    内容

    • 0

      如果要删除数据库中已经存在的表Student,可以使用()。 A: DELETE TABLE Student B: DELETE Student C: DROP TABLE Student D: DROP Student

    • 1

      删除学生信息表student的所有数据,正确的语句为( )。 A: delete from student B: drop all from student C: delete all * from student D: drop table student

    • 2

      删除当前数据库中名为Student的表,以下SQL语句正确的是______。 A: DROP TABLE Student B: DELETE TABLE Student C: REMOVE TABLE Student D: CLEAR TABLE Student

    • 3

      删除student表所有的记录,下列语句正确的是 A: DELETE FROM TABLE student; B: DELETE TABLE student; C: TRUNCATE TABLE student; D: TRUNCATE FROM TABLE student;

    • 4

      删除STUDENT表中C2的默认值约束语句是()。 A: ALTER TABLE STUDENT DROP CONSTRAINT C2 B: DROP CONSTRAINT C2 C: DELETE CONSTRAINT C2 D: DROP STUDENT