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4
votes
2answers
291 views

How to compare performance of two versions of a function?

I just saw this function definition: create function dbo.f (@a int, @b int) returns integer as begin return case when not exists (Select * from t1 where t1.col1 = @a) AND @b ...
17
votes
2answers
598 views

Get and Put performance testing on Google BigTables (and other integrated DBs)

What are some effective ways to perform programmatic performance testing on database operations, especially in environments where the databases themselves do not offer dedicated tools? For example, ...