You create an index, EMP_IDX, on the ENAME column in the EMP table.
Identify the three operations in which FMP_IDX would be used? (Choose three.)
A.
addition of new data to the EMP table
B.
deletion of existing row from the EMP table
C.
modification of data in any column in the EMP table
D.
all queries that display data from the ENAME column
E.
queries that search for data based on a condition on the ENAME column
Explanation: