Explanation:On gives the condition for the join expression. 2. Which of the join operations do not preserve non matched tuples.
A. Left outer join
B. Right outer join
C. Inner join
D. Natural join
Answer:A
Explanation:On gives the condition for the join expression. 2. Which of the join operations do not preserve non matched tuples.
A. Left outer join B. Right outer join C. Inner join D. Natural join