Explanation:Join can be replaced by inner join. 4. What type of join is needed when you wish to include rows that do not have matching values?
A. Equi-join
B. Natural join
C. Outer join
D. All of the mentioned
Answer:A
Explanation:Join can be replaced by inner join. 4. What type of join is needed when you wish to include rows that do not have matching values?
A. Equi-join B. Natural join C. Outer join D. All of the mentioned
Explanation:An outer join does not require each record in the two joined tables to have a matching record.. 5. How many tables may be included with a join?