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Good note. Subqueries are sometimes optimization barriers as well - it depends on query engine. If you care about performance you need to look at the query plan
by alexhutcheson 7y ago
Good note. Subqueries are sometimes optimization barriers as well - it depends on query engine. If you care about performance you need to look at the query plan.
- gigatexal 7y ago"If you care about performance you need to look at the query plan." Always I would say, once your data gets above toy size.