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【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_DEPT_LOC_VU each time the view is referenced?()

A、A.Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command CREATE PRIVATE SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym.

B、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、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、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、E.Scott cannot create a synonym because synonyms can be created only for tables.

F、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.

更多“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_DEPT_LOC_VU each time the view is referenced?()”相关的问题
第1题

AA. 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、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、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、D. Scott cannot create a synonym because synonyms can be created only for tables.  E、E. 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.  

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第2题

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.  

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第3题

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 ynonym for the view and grant SELECT privilege on that synonym to Scott.  

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第4题

A、mkgroup -A=john,mary delivery  B、groupadd -A=john,mary delivery  C、mkgroup adms=john,mary delivery  D、groupadd adms=john,mary delivery  

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第5题

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;  

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第6题

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;  

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第7题

A、mkgroup -A=john,mary delivery  B、groupadd -A=john,mary delivery  C、mkgroup adms=john,mary delivery  D、groupadd adms=john,mary delivery  

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第8题

A、went  B、has gone  C、has been  

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第9题

AA.calls at  B、B.has called at  C、C.call at  D、D.will call at  

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