Data blog
Unit testing for databases
Database applications can - and should - benefit from unit tests, but it is surprising how rarely database code is covered by such tests. One of the problems I suppose is with the fact that it can be pretty tricky to write an isolated test that does not modify the state of the system, so it is fully re-runnable and yields the same results each time. Martin Fowler wrote a good article discussing the unit tests concept - well worth having a look at!
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