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Merge types
Why is inner join more efficient that left outer, and doesn't this mean we will skip the products with ProductSubCategory with no parent ProductCategory?
Yes, Left outer join produce the same result
and for the second part i give the answer based on the question was you posted according to that left outer join is answer in the second blank for the second question that assumtion take by us and me and other so only we need inner join or left outer in such cases.
Yes, Left outer join produce the same result
and for the second part i give the answer based on the question was you posted according to that left outer join is answer in the second blank for the second question that assumtion take by us and me and other so only we need inner join or left outer in such cases.