Hi, I have a list of _id, I need to check whether these _id(s) are already there or not. And I need to get the _id(s) which are not there in the database. Is there any way I can achive this without taking the list from database and comparing it with my list in backend code.

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Checking whether a list of _id already exist in the collection or not

turivishal (Vishal Turi) August 2, 2023, 5:39am 2

Refer to this similar question,