Hello Krystian Kręcik,
Thank you for reaching out on the Microsoft Q&A forum.
While the training module or exam may still refer to using 'Update a row' as the correct answer, that approach is somewhat outdated and mainly applies to the learning context.
In real-world scenarios, the 'Upsert a row' action is the better option. It's more reliable because it can either create a new record or update an existing one, depending on whether the record already exists. We have contacted the content author regarding this issue and will get back to you shortly with an update.
Please don’t forget to Accept Answer
and Yes
for "was this answer helpful" wherever the information provided helps you, this can be beneficial to other community members.
Thank you.