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.
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.
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.
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.
Scott cannot create a synonym because synonyms can be created only for tables.
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.
第1题:
You created a view called EMP_DEPT_VU that contains three columns from the EMPLOYEES and DEPARTMENTS tables: EMPLOYEE_ID, EMPLOYEE_NAME AND DEPARTMENT_NAME. The DEPARTMENT_ID column of the EMPLOYEES table is the foreign key to the primary key DEPARTMENT_ID column of the DEPARTMENTS table. You want to modify the view by adding a fourth column, MANAGER_ID of NUMBER data type from the EMPLOYEES tables. How can you accomplish this task?()
第2题:
You need to perform certain data manipulation operations through a view called EMP_DEPT_VU, which you previously created. You want to look at the definition of the view (the SELECT statement on which the view was created.) How do you obtain the definition of the view?()
第3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?()
第4题:
You are granted the CREATE VIEW privilege. What does this allow you to do?()
第5题:
ALTER VIEW emp_dept_vu (ADD manager_id NUMBER);
MODIFY VIEW emp_dept_vu (ADD manager_id NUMBER);
ALTER VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employee e, departments d WHERE e.department_id = d.department_id;
MODIFY VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employees e, departments d WHERE e.department_id = d.department_id;
CREATE OR REPLACE VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employees e, departments d WHERE e.department_id = d.department_id;
You must remove the existing view first, and then run the CREATE VIEW command with a new column list to modify a view.
第6题:
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.
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.
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.
Scott cannot create a synonym because synonyms can be created only for tables.
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.
第7题:
Use the DESCRIBE command in the EMP_DEPT VU view.
Use the DEFINE VIEW command on the EMP_DEPT VU view.
Use the DESCRIBE VIEW command on the EMP_DEPT VU view.
Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.
Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.
Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.
第8题:
CREATE VIEW emp_vu AS SELECT * FROM employees WHERE department _ id IN (10,20);
CREATE VIEW emp_vu AS SELECT * FROM employees WHERE department_id IN (10,20) WITH READ ONLY;
CREATE VIEW emp_vu AS SELECT * FROM employees WHERE department_id IN (10,20) WITH CHECK OPTION;
CREATE FORCE VIEW emp_vu AS SELECT * FROM employees WITH department_id IN (10,20);
CREATE FORCE VIEW emp_vu AS SELECT * FROM employees WHERE department_id IN (10,20) NO UPDATE;
第9题:
Use the DESCRIBE command on the EMP_DEPT_VU view.
Use the DEFINE VIEW command on the EMP_DEPT_VU view.
Use the DESCRIBE VIEW command on the EMP_DEPT_VU view.
Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.
Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.
Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.
第10题:
CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu
CREATE PUBLIC SYNONYM EDL:VU FOR mary (emp_dept_loc_vu);
CREATE PUBLIC SYNONYM EDL_VU FOR emp _dept_loc_vu;
CREATE SYNONYM EDL_VU ON emp_dept_loc_vu FOR EACH USER;
CREATE SYNONYM EDL_VU FOR EACH USER ON emp_dept_loc_vu
CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu FOR ALL USERS;
第11题:
CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, department_id FROM employees WHERE mgr_id IN (102, 120);
CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, job_id department_id FROM employees WHERE mgr_id IN (102, 120);
CREATE VIEW emp_Vu AS SELECT department_id, SUM(sal) TOTALSAL FROM employees WHERE mgr_id IN (102, 120) GROUP BY department_ id;
CREATE VIEW emp_Vu AS SELECT employee_id, emp_name, job_id, DISTINCT department_id FROM employees;
第12题:
The HR user creates a view with this command: SQL> CREATE VIEW emp_v AS SELECT * FROM scott.emp; Now HR wants to grant the SELECT privilege on the EMP_V view to the JIM user. Which statement is true in this scenario?()
第13题:
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?()
第14题:
A database user SMITH tries to query the V$SESSION view and fails to access it as follows: SQL> connect smith/smith Connected. SQL> SELECT * FROM v$session; SELECT * FROM v$session * ERROR at line 1: ORA-00942: table or view does not exist Which are the two possible solutions to enable SMITH to query the data in V$SESSION()
第15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?()
第16题:
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.
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.
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.
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.
Scott cannot create a synonym because synonyms can be created only for tables.
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.
第17题:
ALTER VIEW EMP_dept_vu (ADD manger_id NUMBER);
MODIFY VIEW EMP_dept_vu (ADD manger_id NUMBER);
ALTER VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employee e, departments d WHERE e.department _ id = d.department_id;
MODIFY VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employees e, departments d WHERE e.department _ id = d.department_id;
CREATE OR REPLACE VIEW emp_dept_vu AS SELECT employee_id, employee_name, department_name, manager_id FROM employees e, departments d WHERE e.department _ id = d.department_id;
You must remove the existing view first, and then run the CREATE VIEW command with a new column list to modify a view.
第18题:
HR can grant the privilege to JIM but without GRANT OPTION.
HR can grant the privilege to JIM because HR is the owner of the view.
SCOTT has to grant the SELECT privilege on the EMP table to JIM before this operation.
HR needs the SELECT privilege on the EMP table with GRANT OPTION from SCOTT for this operation.
第19题:
Edit the filter for the Administrative Events view.
Create a custom view. Enable the Critical, Error, and Information level events. Select all logs.
Create a custom view. Select the Critical checkbox, Error checkbox, and Verbose checkbox. Select all logs.
Search for the Critical or Error string by using the Find option of the Administrative Events view.
第20题:
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.
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.
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.
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.
Scott cannot create a synonym because synonyms can be created only for tables.
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.
第21题:
Create a table view.
Create a view in any schema.
Create a view in your schema.
Create a sequence view in any schema.
Create a view that is accessible by everyone.
Create a view only of it is based on tables that you created.