Which two statements are true regarding the above command?

View the Exhibit and examine the structure of the EMP table which is not partitioned and
not an index-organized table.
Evaluate the following SQL statement:
ALTER TABLE emp DROP COLUMN first_name;
Which two statements are true regarding the above command? (Choose two.)

View the Exhibit and examine the structure of the EMP table which is not partitioned and
not an index-organized table.
Evaluate the following SQL statement:
ALTER TABLE emp DROP COLUMN first_name;
Which two statements are true regarding the above command? (Choose two.)

A.
The FIRST_NAME column would be dropped provided it does not contain any data.

B.
The FIRST_NAME column would be dropped provided at least one or more columns
remain in the table.

C.
The FIRST_NAME column can be rolled back provided the SET UNUSED option is
added to the above SQL statement.

D.
The FIRST_NAME column can be dropped even if it is part of a composite
PRIMARY KEY provided the CASCADE option is used.



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