For performing database testing successfully, a tester must gather the requirements from all the sources, like technical and functional requirements. There is a feasibility that a few requirements are at a high level, so there is a necessity to breakdown those requirements into the small pieces. Testing database is a complex task and the testers face more challenges while doing this testing.
Below are some challenges faced during database testing -
A tester require to find the test items in database testing if not he may not have a clear perception of what he should test and what he should not test. So, if you are not aware on the requirement, you may waste a lot of time intesting uncritical objects in the database.
When you have a list of objects to test, next is to evaluate the effort needed to design the tests and execute the tests for every test item. Based on their design and data size, some database tests may require a long time to execute.
As the database size is too huge, it becomes a big challenge to figure out the objects that need to be tested and those which are to be left aside.
Usually testers are facilitated with a copy of the development database to test. That database will only have small data, which is enough to run the application. So there is a necessity to test the development, staging and as well as production database system.
This is one of the most common challenges in DB testing. Sometimes, it occurs that you design or execute a test, and the database structure has been altered at that time. This is required that you must be aware of the modifications done to the database while testing.
Once the database structure alters, you must calculate the impact of the changes and alter the tests. In addition, if multiple users are using the test database, you cannot judge about the test results so you should make sure that the test database is used for testing purpose only.
Another challenge in DB testing is that one can run multiple tests at same time. You must run one test at a time at least for the performance tests. You don’t want your database performing multi tasks and under-reporting performance.
The database structure is usually complex and it has complex data, so there is a feasibility that you are executing incomplete or same tests again and again. So there is a necessity to create a test plan and proceed as per that and checking the response systematically.
To test a database, you must have a sound knowledge of SQL queries and the necessary database management tools.
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