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【单项选择题】

You need to create a view EMP_VU. The view should allow the users to manipulate the records of only the employees that are working for departments 10 or 20.<br /> Which SQL statement would you use to create the view EMP_VU?()<p> You need to create a view EMP_VU. The view should allow the users to manipulate the records of only the employees that are working for departments 10 or 20.<br /> Which SQL statement would you use to create the view EMP_VU?()</p>

A、A. CREATE VIEW emp_vu AS   SELECT *   FROM employees   WHERE department_id IN (10,20);

B、B. CREATE VIEW emp_vu AS   SELECT *   FROM employees   WHERE department_id IN (10,20)   WITH READ ONLY;

C、C. CREATE VIEW emp_vu AS   SELECT *   FROM employees   WHERE department_id IN (10,20)   WITH CHECK OPTION;

D、D. CREATE FORCE VIEW emp_vu AS   SELECT *   FROM employees   WHERE department_id IN (10,20);

E、E. CREATE FORCE VIEW emp_vu AS   SELECT *   FROM employees   WHERE department_id IN (10,20)   NO UPDATE;

更多“You need to create a view EMP_VU. The view should allow the users to manipulate the records of only the employees that are working for departments 10 or 20.<br /> Which SQL statement would you use to create the view EMP_VU?()<p> You need to create a view EMP_VU. The view should allow the users to manipulate the records of only the employees that are working for departments 10 or 20.<br /> Which SQL statement would you use to create the view EMP_VU?()</p>”相关的问题
第2题

AA. CREATE ROLE manager; GRANT create table, create view TO manager; GRANT manager TO BLACK, CLARK;  B、B. CREATE ROLE manager; GRANT create table, create voew TO manager; GRANT manager ROLE TO BLACK, CLARK;  C、C. GRANT manager ROLE TO BLACK, CLARK; GRANT create table, create voew TO BLACK CLARK; ***MISSING***  

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第9题

ACREATE ROLE manager; GRANT create table, create view TO manager; GRANT manager TO BLACK, CLARK;  B、CREATE ROLE manager; GRANT create table, create voew TO manager; GRANT manager ROLE TO BLACK, CLARK;  C、GRANT manager ROLE TO BLACK, CLARK; GRANT create table, create voew TO BLACK CLARK; ***MISSING***  

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