Writing database unit test cases are complimentary to the software development life cycle created by software developers. A developer can write unit tests cases to evaluate the success or failure of database design changes and check the results of stored procedures and functions. Unit test cases can ensure any changes applied on the database are as expected and do not introduce new errors. Unit tests, in addition, serve as documentation for users of the methods under test. Developers quickly can review unit tests to determine exactly how a particular database object should be consumed. By developing database unit tests, developers can create a collection of tests and run them during development to make sure all features work as expected.
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