Commands

Command	Description
db.collection.find()	Returns all documents in the collection
db.collection.find({<field>:<value>})	Returns all documents where the field matches the specified value
db.collection.find({$and:[{<field1>:<value1>},{<field2>:<value2>}]})	Returns all documents where both the fields match their respective values
db.collection.find({$or:[{<field1>:<value1>},{<field2>:<value2>}]})	Returns all documents where either field matches its respective value
db.collection.find().sort({<field>:1})	Returns all documents sorted by the specified field in ascending order
db.collection.find().sort({<field>:-1})	Returns all documents sorted by the specified field in descending order
db.collection.find().limit(<num>)	Returns only the first <num> documents
db.collection.find().skip(<num>)	Skips the first <num> documents and returns the rest
db.collection.insertOne({<field>:<value>})	Inserts a new document into the collection
db.collection.insertMany([{<field1>:<value1>},{<field2>:<value2>}])	Inserts multiple documents into the collection
db.collection.updateOne({<field>:<value>},{$set:{<field>:<new_value>}})	Updates the first document that matches the query with the new field value
db.collection.updateMany({<field>:<value>},{$set:{<field>:<new_value>}})	Updates all documents that match the query with the new field value
db.collection.deleteOne({<field>:<value>})	Deletes the first document that matches the query
db.collection.deleteMany({<field>:<value>})	Deletes all documents that match the query
db.collection.aggregate([{<stage>},{<stage>}])	Performs a multi-stage aggregation operation on the collection

Note: Replace <field>, <value>, <new_value>, <num>, <stage>, and collection with the actual field, value, new value, number, stage, and collection names, respectively.