mongodb find all fields in a collection code example

Example 1: mongo console find by id

db.collection.find({_id:ObjectId('5e208c18d598b806c869ca37')}).pretty()

Example 2: get all data in collection mongodb

db.collection_name.find().pretty()

Example 3: mongodb select fields

db.inventory.find( { status: "A" }, { item: 1, status: 1 } )

Example 4: operator to return specific data of a mongodb query

db.inventory.find( { status: "A" }, { item: 1, status: 1 } )

Example 5: mongodb project all fields

db.collection.aggregate([
    { "$addFields": { "custom_field": "$obj.obj_field1" } }
])