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Results tagged with performance
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user 73183
An evaluation of whether a system works well enough to be fit for purpose. Normally performance refers to the speed with which a system completes an operation or set of operations over time.
8
votes
1
answer
10k
views
Should i use subquery to limit table before a join?
In the case of a join followed by a where clause, would it be better to use a subquery to limit the results, and then do the join? Example:
SELECT *
FROM Customers
NATURAL JOIN Orders
WHERE s …
- 415