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;
举一反三
- 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;
- 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;
- 下面用于查询student表中id值在1,2,3范围内的记录的SQL语句是（ ）。 A: SELECT * FROM student WHERE id=1,2,3; B: SELECT * FROM student WHERE (id=1,id=2,id=3); C: SELECT * FROM student WHERE id in (1,2,3); D: SELECT * FROM student WHERE id in 1,2,3;
- 下面选项中，查询student表中id值不在2和5之间的SQL语句是（ ）。 A: SELECT * FROM `student` WHERE `id`!=2,3,4,5 B: SELECT * FROM `student` WHERE `id` NOT BETWEEN 5 AND 2 C: SELECT * FROM `student` WHERE `id` NOT BETWEEN 2 AND 5 D: SELECT * FROM `student` WHERE `id` NOT IN 2,3,4,5
- 更新student表id=1的记录，name值更新为”youjun”,grade值更新为98.5，下列选项中，能够完成上述功能的SQL语句是 A: UPDATE student set name=’youjun’ grade=98.5 where id=1; B: UPDATE student set name=’youjun’, grade=98.5 where id=1; C: UPDATE FROM student set name=’youjun’ ,grade=98.5 where id=1; D: UPDATE student Values name=’youjun’ grade=98.5 where id=1;
内容
- 0
下面选项中,查询student表中id值不在2和5之间的学生的SQL语句是 A: SELECT * FROM student where id!=2,3,4,5; B: SELECT * FROM student where id not between 5 and 2; C: SELECT * FROM student where id not between 2 and 5; D: SELECT * FROM student where id not in 2,3,4,5;
- 1
下面选项中,查询student表中id值不在2和5之间的学生,其中正确的SQL语句是() A: SELECT * FROM student where id!=2,3,4,5; B: SELECT * FROM student where id not between 5 and 2; C: SELECT * FROM student where id not between 2 and 5; D: SELECT * FROM student where id not in 2,3,4,5;
- 2
假设表student中，有一条id=1的记录，现要求将其name修改为“huahua"，grade修改为98.5.下列选项中，正确的SQL语句是（ ）。 A: UPDATE `student` SET `name`='huahua' `grade`=98.5 WHERE `id`=1 B: UPDATE `student` SET `name`='huahua', `grade`=98.5 WHERE `id`=1 C: UPDATE FOR `student` SET `name`='huahua', `grade`=98.5 WHERE `id`=1 D: UPDATE `student` `name`='huahua' `grade`=98.5 WHERE `id`=1
- 3
查询student表中id字段值小于5,并且gender字段值为“女”的学生姓名的SQL语句是() A: SELECT name FROM student WHERE id<;5 OR gender='女'; B: SELECT name FROM student WHERE id<;5 AND gender='女'; C: SELECT name FROM student WHERE id<;5 ,gender='女'; D: SELECT name FROM student WHERE id<;5 AND WHERE gender='女';
- 4
【单选题】查询student表中id字段值小于5,并且gender字段值为“女”的学生姓名的SQL语句是 A. SELECT name FROM student WHERE id<5 OR gender‘女’; B. SELECT name FROM student WHERE id<5 AND gender=‘女’; C. SELECT name FROM student WHERE id<5 ,gender=‘女’; D. SELECT name FROM student WHERE id<5 AND WHERE gender=‘女’;