• 2022-10-27 问题

    在学生表STUD中,查询年龄在20至23岁之间的学生的姓名(XM)、年龄(SA)和所在系(SD),实现该功能的正确SQL语句是( )。 A: SELECT XM,SA,SD FROM STUD WHERE BETWEEN 20B.SELECT XM,SA,SD.FROM STUD WHERE SA BETWEEN 23 AND 20 B: SELECT XM,SA,SD FROM STUD WHERE SA NOT BETWEEN 20 AND 23 C: SELECT XM,SA,SD FROM STUD WHERE SA BETWEEN 20 AND 23

    在学生表STUD中,查询年龄在20至23岁之间的学生的姓名(XM)、年龄(SA)和所在系(SD),实现该功能的正确SQL语句是( )。 A: SELECT XM,SA,SD FROM STUD WHERE BETWEEN 20B.SELECT XM,SA,SD.FROM STUD WHERE SA BETWEEN 23 AND 20 B: SELECT XM,SA,SD FROM STUD WHERE SA NOT BETWEEN 20 AND 23 C: SELECT XM,SA,SD FROM STUD WHERE SA BETWEEN 20 AND 23

  • 2022-10-27 问题

    在学生表STUD中,查询年龄在20至23岁之间的学生的姓名(XM)、年龄(S A: 和所在系(SD) ,实现该功能的正确SQL语句是______。A) SELECTXM,SA,SD FROM STUD B: WHERE BETWEEN 20B.SELECT XM,SA,SD FROM STUD C: WHERE SA BETWEEN 23 AND 20; D: SELECT XM,SA,SD FROM STUD E: WHERE SA NOT BETWEEN 20 AND 23; F: SELECT XM,SA,SD FROM STUD G: WHERE SA BETWEEN 20 AND 23;

    在学生表STUD中,查询年龄在20至23岁之间的学生的姓名(XM)、年龄(S A: 和所在系(SD) ,实现该功能的正确SQL语句是______。A) SELECTXM,SA,SD FROM STUD B: WHERE BETWEEN 20B.SELECT XM,SA,SD FROM STUD C: WHERE SA BETWEEN 23 AND 20; D: SELECT XM,SA,SD FROM STUD E: WHERE SA NOT BETWEEN 20 AND 23; F: SELECT XM,SA,SD FROM STUD G: WHERE SA BETWEEN 20 AND 23;

  • 2022-06-16 问题

    下面 语句和”select * from student where sex=’男’ && age=20;”语句查询出的结果是一样的。( ) A: select * from student where sex=’男’ or age=20; B: select * from student where sex=’男’ || age=20; C: select * from student where sex=’男’ and age=20; D: select * from student where sex,age in(’男’,20);

    下面 语句和”select * from student where sex=’男’ && age=20;”语句查询出的结果是一样的。( ) A: select * from student where sex=’男’ or age=20; B: select * from student where sex=’男’ || age=20; C: select * from student where sex=’男’ and age=20; D: select * from student where sex,age in(’男’,20);

  • 2022-06-04 问题

    查询年龄在20到23岁之间的学生的信息,所使用的语法命令为() A: select * from student where age between 20 to 23 B: select * from student where age from 20 to 23 C: select * from student where age between 20 and 23 D: select * from student

    查询年龄在20到23岁之间的学生的信息,所使用的语法命令为() A: select * from student where age between 20 to 23 B: select * from student where age from 20 to 23 C: select * from student where age between 20 and 23 D: select * from student

  • 2022-06-04 问题

    查询年龄不在20到23岁之间的学生的信息,所使用的语法命令为() A: select * from student where age not between 20 and 23 B: select * from student where age between 20 and 23 C: select * from student where age not between 20 to 23 D: select * from student where not age from 20 to 23

    查询年龄不在20到23岁之间的学生的信息,所使用的语法命令为() A: select * from student where age not between 20 and 23 B: select * from student where age between 20 and 23 C: select * from student where age not between 20 to 23 D: select * from student where not age from 20 to 23

  • 2022-05-28 问题

    从Student表检索年龄为20岁的学生信息,已知年龄字段是数值类型,最规范的SQL语句是( )。 A: Select * From Student where Sage=20 B: Select * From Student where Sage='20' C: Select * From Student where Sage=【20】 D: Select * From Student where Sage EQUAL 20

    从Student表检索年龄为20岁的学生信息,已知年龄字段是数值类型,最规范的SQL语句是( )。 A: Select * From Student where Sage=20 B: Select * From Student where Sage='20' C: Select * From Student where Sage=【20】 D: Select * From Student where Sage EQUAL 20

  • 2022-06-07 问题

    在学生信息表中,查询年龄在18岁到20岁的学生姓名和年龄,正确的SQL语句是()。 A: select sn,agefrom swhere age between 18 and 20 B: select sn,agefrom swhere age>=18 and age<=20 C: select sn,agefrom swhere age>18 and age<20 D: select sn,agefrom swhere age>=18 or sAge<=20

    在学生信息表中,查询年龄在18岁到20岁的学生姓名和年龄,正确的SQL语句是()。 A: select sn,agefrom swhere age between 18 and 20 B: select sn,agefrom swhere age>=18 and age<=20 C: select sn,agefrom swhere age>18 and age<20 D: select sn,agefrom swhere age>=18 or sAge<=20

  • 2022-06-04 问题

    在学生表STUD中查询所有小于20岁的学生的姓名(XM)及其年龄(SA) 。实现该功能的正确SQL语句是______。 A: SELECT XM,SA FROM STUD FOR SA<20 B: SELECT XM,SA FROM STUD WHERE NOT SA>=20 C: SELECT XM,SA ON STUD FOR SA<20 D: SELECT XM,SA ON STUD WHERE SA<20

    在学生表STUD中查询所有小于20岁的学生的姓名(XM)及其年龄(SA) 。实现该功能的正确SQL语句是______。 A: SELECT XM,SA FROM STUD FOR SA<20 B: SELECT XM,SA FROM STUD WHERE NOT SA>=20 C: SELECT XM,SA ON STUD FOR SA<20 D: SELECT XM,SA ON STUD WHERE SA<20

  • 2022-06-15 问题

    下面哪条语句可以查询姓“张”并且年龄等于20岁的用户,请问用哪条语句? A: Select * From table Where name like "%张%" And intAge=20 B: Select * From table Where name like "张%" And intAge=20 C: Select * From table Where name like "张%" And intAge="20" D: Select * From table Where name="张" And intAge=20

    下面哪条语句可以查询姓“张”并且年龄等于20岁的用户,请问用哪条语句? A: Select * From table Where name like "%张%" And intAge=20 B: Select * From table Where name like "张%" And intAge=20 C: Select * From table Where name like "张%" And intAge="20" D: Select * From table Where name="张" And intAge=20

  • 2022-07-27 问题

    下面哪一条语句是正确的() A: select from b B: select sno from a where sno 2000 C: select * from a order by sno where age>20 D: select * from B group by cno where cno>1

    下面哪一条语句是正确的() A: select from b B: select sno from a where sno 2000 C: select * from a order by sno where age>20 D: select * from B group by cno where cno>1

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