Of course, Informatica certification is worth it. The demand for talented Informatica Practitioners is growing rapidly, because of which there are a lot of people who know Informatica. So if you wish to get a job as an Informatica tester, you would have to set yourself apart in some way. One way to do that is to get a certification. A certification allows companies to differentiate between people claiming to know Informatica and people who actually know Informatica. This is not the only criteria but is a very important one. So having an Informatica certification can help you set yourself apart in the eyes of potential recruiters. If you are planning on learning Informatica, as a beginner it would be better to start with an online course that teaches you the basics and also gives you hands-on experience. For Informatica, you can either take this Informatica certification course which will teach you the basics of Informatica or if you are just a beginner and wish to get your feet wet you can watch this Informatica tutorial.