Pass oracle 1Z0-047 exam test
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Oracle 1Z0-047 ExamExam Number/Code: 1Z0-047
Exam Name: Oracle Database SQL Expert
Questions and Answers: 278Q&As
Updated: 04-04-2011
Evaluate the following SQL statement: ALTER TABLE hr.emp SET UNUSED (mgr_id); Which
statement is true regarding the effect of the above SQL statement?
A.Any index created on the MGR_ID column would continue to exist until the DROP UNUSED
COLUMNS command is executed.
B.Any views created on the EMP table that include the MGR_ID column would have to be dropped and
re-created.
C.Any synonym existing on the EMP table would have to be re-created.
D.Any constraints defined on the MGR_ID column would be removed by the above command.
Correct:D
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