使用SQL语句查询视图v_student的所有数据，下列语句正确的是_______。
A: create view v_studentas.......
B: alter view v_studentas.......
C: select * from v_student
D: drop view v_student
A: create view v_studentas.......
B: alter view v_studentas.......
C: select * from v_student
D: drop view v_student
举一反三
- 下列哪条语句可以创建视图( )。 A: create view v_student as select * from student; B: alter view v_student as select * from student; C: drop view v_student as select * from student; D: sp_help view v_student as select * from student;
- 使用SQL语句创建视图v_student,下列语句正确的是_______。 A: create view v_studentas....... B: alter view v_studentas....... C: drop view v_student D: 以上ABC都不是
- 在student表上创建view_stu视图,正确的语句是( )。 A: CREATE VIEW view_stu IS SELECT * FROM student; B: CREATE VIEW view_stu AS SELECT * FROM student; C: CREATE VIEW view_stu SELECT * FROM student; D: CREATE VIEW SELECT * FROM student AS view_stu;
- 以下是修改视图的语句是 A: create or replace view st1 as select* from student; B: alter view st1 as select name from student join class on student.cid=class.id; C: alter table st1 modify class int(3); D: create or replace table st1 as select* from student;
- 使用SQL语句查询视图v_student的所有数据，下列语句正确的是_______。