A: select b from t where a=10;
B: select * from t where a=10 and id=100;
C: select * from t where a=10 and b＞100;
D: select * from t where a＞10 and b ＜ 100;
E: select * from t order by b limit 10;
举一反三
- 下列语句没有语法错误的是（）。 A: SELECT * FROM my table WHERE order=10 B: SELECT * FROM [my table] WHERE order=10 C: SELECT * FROM my table WHERE [order]=10 D: SELECT * FROM [my table] WHERE [order]=10
- 查询主键id从高到低排序的前10条记录的语句是（） A: SELECT * FROM table ORDER BY id ASC limit 1,10 B: SELECT * FROM table ORDER id DESC limit 10 C: SELECT * FROM table ORDER BY id DESC limit 10 D: SELECT * FROM table ORDER id ASC limit 1,10
- MySQL数据库中查询前10条记录的SQL语句是()。 A: select top 10 from table B: select * from table limit 10 C: select * from table limit 1, 10 D: select * from table limit 0, 10
- 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
内容
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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stu表中id值不在2和5之间的学生的SQL语句是( )。 A: select * from stu where id != 2,3,4,5; B: select * from stu where id not betwen 5 and 2; C: select * from stu where id not betwen 2 and 5; D: select * from stu where id not in 2,3,4,5;
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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;
- 3
从“成绩”表中查询没有参加考试学生的学号,下面语句正确的是()。 A: Select 学号 From 成绩 Where 分数=0 B: Select 分数 From 成绩 Where 学号=0 C: Select 学号 From 成绩 Where 分数=Null D: Select 学号 From 成绩 Where 分数= Is Null
- 4
查找学生表student中姓名的第二个字为“t”的学生学号sno和姓名sname，下面SQL语句正确的是（）。 A: SELECT sno, sname FROM student WHERE sname='_t%'; B: SELECT sno, sname FROM student WHERE sname LIKE '_t%'; C: SELECT sno, sname FROM student WHERE sname＝'%t_'; D: SELECT sno, sname FROM student WHERE sname LIKE '%t_';