Which action would you perform to avoid waiting in the first session ?
A. Drop any existing index on the EMP table
B. Drop any existing index on the DEPT table
C. Create an index on the deptno column of the EMP table
D. Create an index on the deptno column of the DEPT table
Answer:A
Which action would you perform to avoid waiting in the first session ?
A. Drop any existing index on the EMP table B. Drop any existing index on the DEPT table C. Create an index on the deptno column of the EMP table D. Create an index on the deptno column of the DEPT table