Question 2 10 points Save Answ as follows: are Compute the full outer join on B,
ID: 3864527 • Letter: Q
Question
Question 2 10 points Save Answ as follows: are Compute the full outer join on B, the left outer join on B, and the right outer join on B. In each case, Ris the left operand and s is the right operand. Then, answer the following questions for each of the three results: 1. How many rows are there in the result? 2. How many NULLs appear in the result? Finally, find the correct statement in the list below. O a. The right outer join has 2 row. O b. The full outer join has 3 NULL's. O c. The right outer join has no NULL's. O d. The left outer join has 2 NULL's 3/19/20Explanation / Answer
b) the full outer join has three null's
d) select c,d
from s
where exist (select a,b
from r
whereb exist a=c and b=d)
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