Multiple Choice
Once a column has been set as UNUSED,which of the following is correct?
A) It is unavailable and will not be displayed in the table structure.
B) It will still appear in the results of subqueries until it is dropped.
C) It is unavailable,but will still be displayed in the table structure.
D) All DDL operations can be performed on it until it is actually dropped.
Correct Answer:
Verified
Correct Answer:
Verified
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