Oracle
1Z0-047 · Question #121
1Z0-047 Question #121: Real Exam Question with Answer & Explanation
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Question
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?
Options
- AAny synonym existing on the EMP table would have to be re-created.
- BAny constrains defined on the MGR_ID column would be removed by the above command.
- CAny views created on the EMP table that include the MGR_ID column would be automatically modified
- DAny index created on the MGR_ID column would continue to exist until the DROP UNUSED COLUMNS
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