Answer:
I do believe it is D im not sure
Answer:
First Time Unique Visitor
Explanation:
I majored in
The answer to this is "is a classification scheme"..hope that helped
Flute on a boot ;) hope i helped
Answer:
(a) Correlated.
Explanation:
Correlated subquery :These sub queries reference columns from outer table or uses values from outer query.These sub queries are processed atleast once for every row processed.So because of this reason correlated sub queries can be slow.Since the query in the question also uses value from the outer query so it is a correlated query.