What type of join is needed when you wish to return rows that do have matching values ?
A. Equi-join
B. Natural join
C. Outer join
D. All of the Mentioned
Answer:A
What type of join is needed when you wish to return rows that do have matching values ?
A. Equi-join B. Natural join C. Outer join D. All of the Mentioned
Explanation: Outer join returns the row having matching as well as non matching values.