删除表teacher(id,name,gender,birthday,score)中id为4的老师( )
A: delete from teacher;
B: delete from teacher where id = 4;
C: delete teacher where id = 4;
D: drop from teacher where id = 4;
A: delete from teacher;
B: delete from teacher where id = 4;
C: delete teacher where id = 4;
D: drop from teacher where id = 4;
举一反三
- 删除student表中id为1的记录（） A: TRUNCATE FROM student where id=1; B: DELETE student where id=1; C: DELETE FROM student where id=1; D: DELETE INTO student where id=1;
- 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;
- 删除demo表中id为1001的记录。其SQL语句为（ ）。 A: delete from demo where id=1001 B: delete demo C: delete from dmeo where id=1001 D: delete demo where id=1001
- 删除数据表teacher中教工号（num）为1002的记录删除，使用下列哪条SQL语句（ ） A: DELETE FROM teacher num=1002; B: DELETE FROM teacher WHERE num=1002; C: DELETE FROM teacher ，num=1002; D: DELETE teacher where num=1002;
- 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;