What is a materialized view, where can you use them, and how are they useful?

Materialize

Bobby Iliev

DevOps

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Materialized views should update automatically, but this has so far proven impossible to deliver on. Not every database supports materialized views, and those that do each handle them a little differently, especially when it comes to the approach to view maintenance. MongoDB Yes, in 4.2+ Manual MongoDB has a NoSQL equivalent of materialized view.

What is a Materialized View?

How do materialized views work in specific databases?