Test Data Management: What Is It, And Why Is It So Important?

Data Science

Published on May 24th, 2022

Test data management is as important as data in its raw form. In fact, they complement each other. In one’s ideal world, we should have no problem managing our test data effectively. But there are challenges before this can become a reality. The use of our test environment is becoming more complex and demanding by the day.

Test data management can be really confusing if you don’t know what it is. And yes, test data management is just as important as real production data management. If your organization is not doing it, you should start looking into it.

What Is Test Data Management (TDM)?

So, Test Data Management (TDM) is a subset of Quality Assurance that ensures that the test data used in your application is accurate, valid, and applicable.

The purpose of TDM is to ensure that the data being used by your application is correct and available at all times. If you have ever used an application with bad test data, you know how frustrating it can be.

The only way to ensure that this doesn’t happen is by testing your application with good test data before it goes into production.

There are two primary reasons why test data management is important:

  1. To ensure the quality of your application
  2. To maintain compliance with industry standards

Why Is Test Data So Important?

Test data is an essential part of the testing process, and it’s not just a matter of using the software to make sure that it works.

It’s also used to validate the software being developed. This means that if you don’t have proper test data, you can’t know for sure whether or not all parts of your system are working properly, even if you have the best testing tools.

What Is An Example Of Bad Test Data That Can Lead To Problems?

Test data that is not representative of real-world data can lead to problems. For example, if your test data has a lot of null values and you’ve been testing for non-null values, then it’s possible that some parts of your application are working fine while others aren’t.

Test data that is not clean can lead to problems. For example, if there are large amounts of missing or null values in your test data, you might miss bugs because the app treats those values as valid for something else (like an email address).

Test data that is not consistent can lead to problems. For example, if you’re testing the same piece of functionality many times but using different inputs each time (such as an account number), then it may fail due to inconsistent behavior across those tests rather than because it’s actually broken under certain conditions or inputs.

This could cause issues when trying to replicate these failures later on and compare their root causes across versions and environments with different sets of input parameters being used during testing sessions at various stages throughout the development cycles.

What Are Some Examples Of Good Test Data That Can Help Prevent Problems?

  • Test data should represent the final data. When you’re testing your application, you’ll want to test it with realistic data. You don’t want to use a bunch of sample data that’s not representative of what your users will be using.
  • Test data should represent the data that will be used in production. This is similar to the point above—if you’re doing QA on an application, you’ll want to make sure that it works well with real-world scenarios and situations (like if someone is trying to pay for something using their credit card).
  • Test data should represent the application usage patterns and usage patterns expected by your database and other systems interacting with it (e.g., external applications). Testing these complex interactions is crucial because problems can arise at any point in this chain from an incorrect piece of information being entered into one system, causing problems later down this chain when another system tries processing a request based on that initial piece of information being wrong!

Test Data Management Helps With Creating Good Quality Test Data, Which Reduces Costs And Improves Schedules

Test data management is important because it helps to ensure that test data is accurate, consistent, and complete.

This ensures that you have the right information at the right time in the right format. You can then use this information to run effective tests to make sure your system or application works as expected before you release it into production.

Test data management also helps with creating good quality test data, which reduces costs and improves schedules.

Test data can be expensive to create if you don’t know how long it will take or what kind of resources are needed for each stage of the process: maintenance, cleaning up existing data sets, populating new ones with fake/stubbed out records (i.e., using placeholders instead), generating new records based on historical trends, etc.

In Conclusion

Every day, your automated tests run, and they rely on data to give you the reports you need. Without that data, your tests can’t be completed.

This is why test data management is so much more than just creating new test data – it’s all about the process to provide clean, accurate data for your tests. The post gives some tips and some information on how test data management can help with the testing process.