User Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She has the privilege to create a public synonym, and would like to create a synonym for this view that can be used by all users of the database. Which SQL statement can Mary use to accomplish that task?()
A. CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu
B. CREATE PUBLIC SYNONYM EDL:VU FOR mary (emp_dept_loc_vu);
C. CREATE PUBLIC SYNONYM EDL_VU FOR emp _dept_loc_vu;
D. CREATE SYNONYM EDL_VU ON emp_dept_loc_vu FOR EACH USER;
E. CREATE SYNONYM EDL_VU FOR EACH USER ON emp_dept_loc_vu
F. CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu FOR ALL USERS;
第1题:
A.Destination-Host
B.Public-Identity
C.User-Name
D.Called-Station-Id
E.Framed-IPv6-Address
第2题:
下面程序段执行完毕,页面显示的内容是()。 string strName; strName = "user_name"; Session["strName"] = "Mary"; Session[strName] = "John"; Response.Write(Session["user_name"]);
A.Mary
B.John
C.user_name
D.语法有错,无法正常运行
第3题:
在用户视图下键入什么命令可以切换到系统视图?
A.system-view
B.interface
C.quit
D.user-view
第4题:
第5题:
3、Toast创建完毕后,需要显示出来此时需要调用以下哪个方法?()
A.makeText
B.show
C.create
D.view
第6题:
Toast对象创建后,需要显示出来此时需要调用以下哪个方法?()
A.makeText
B.show
C.create
D.view