mongodb find all that dont have property
db.things.find( { a : { $exists : false } } ); // return if a is missingmongodb find all that dont have property
db.things.find( { a : { $exists : false } } ); // return if a is missingoperator to return specific data of a mongodb query
db.inventory.find( { status: "A" }, { item: 1, status: 1 } )Copyright © 2021 Codeinu
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