so I’m making an eLearning software in which lessons constantly change structure. On my first iteration I tried MongoDB to store my user’s data and my lessons, but it proved to be cumbersome whenever I tried to treat it as a relational DB to join user ids with their lessons and such. Next step was to switch to PostgreSQL, which helps because its relational and has a JSON field that seems to work out kinda well. My question is, what should I use as my database if I’m going to be collecting analytics linked to accounts based on their performance as well as lessons that constantly change in their structure?
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