- 单项选择题Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She granted SELECT privilege to Scott on this view. Which option enables Scott to eliminate the need to qualify the view with the name MARY .EMP_DEP_LOC_VU each time the view is referenced?()
A、Scott can create a synonym for the EMP_DEPT_LOC_VU bus using the command: CREATE PRIVATE SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can prefix the columns with this synonymn.
B、Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym.
C、Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE LOCAL SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can prefix the columns with this synonym.
D、Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU ON mary(EMP_DEPT_LOC_VU); then he can prefix the columns with this synonym.
E、Scott cannot create a synonym because synonyms can be created only for tables.
F、Scott cannot create any synonym for Mary's view. Mary should create a private synonym for the view and grant SELECT privilege on that synonym to Scott.
- B
关注下方微信公众号,在线模考后查看
- Examine the&en
- You work
- Oracle创建()来处理连接到实例的用
- Consider this&
- You dropped&en
- Which two statements
- Which of the followi
- In your A
- Which statement is t
- Examine the structu
- 下列哪个函数可以把一个列中的所有值相加求
- Which three statemen
- 比较非归档日志模式和归档日志模式的区别。
- 下面不属于Oracle数据库状态的是()
- To set the history r
- You are u
- You need to create
- You are m
- In what
- The accounting