Consider the following relational query on the above database :

1.	Consider the following relational query on the above database :
A.	Find the names of all suppliers who have supplied a non-blue part
B.	Find the names of all suppliers who have not supplied a non-blue part
C.	Find the names of all suppliers who have supplied only blue parts
D.	Find the names of all suppliers who have not supplied only blue parts
Answer» B. Find the names of all suppliers who have not supplied a non-blue part

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Consider the following relational query on the above database :

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