1z0-047 exam questions

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Which two statements are true regarding the execution of the correlated subqueries? (Choose two.)
A.The nested query executes after the outer query returns the row.
B.The nested query executes first and then the outer query executes.
C.The outer query executes only once for the result returned by the inner query.
D.Each row returned by the outer query is evaluated for the results returned by the inner query.
Answer:A D
OE and SCOTT are the  users  in the database. The ORDERS table  is owned  by  OE. Evaluate the
statements issued by the DBA in the following sequence: CREATE ROLE r1; GRANT SELECT, INSERT
ON oe.orders TO r1; GRANT r1 TO scott; GRANT SELECT ON oe.orders TO scott; REVOKE SELECT
ON oe.orders FROM scott; What would be the outcome after executing the statements?
A.SCOTT would be able to query the OE.ORDERS table.
B.SCOTT would not be able to query the OE.ORDERS table.
C.The REVOKE statement would remove the SELECT privilege from SCOTT as well as from the role R1.
D.The REVOKE statement would give an error because the SELECT privilege has been granted to the
role R1.
Answer:A
1Z0-047 Oracle Database SQL Expert Additional Information & Resources
Material on the topics “Generating Reports by Grouping Related Data” and “Hierarchical Retrieval” are found in the Appendix of the Oracle Database 11g training manuals that accompany the Recommended Training courses.
1Z0-047 Oracle Database SQL Expert Practice Exams
Oracle authorized practice exam from Self Test Software. 1Z0-047 Oracle Database SQL Expert
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