Resources
Collection Methods
db.collection.find(): Retrieve documents from a collection.db.collection.findOne(): Retrieve a single document from a collection.db.collection.insertOne(): Insert a single document into a collection.db.collection.insertMany(): Insert multiple documents into a collection.db.collection.updateOne(): Update a single document that matches a filter.db.collection.updateMany(): Update multiple documents that match a filter.db.collection.deleteOne(): Delete a single document that matches a filter.db.collection.deleteMany(): Delete multiple documents that match a filter.db.collection.countDocuments(): Count the number of documents that match a filter.db.collection.distinct(): Find distinct values for a field.db.collection.aggregate(): Perform aggregation operations on a collection.db.collection.findOneAndUpdate(): Find a document and update it.db.collection.findOneAndReplace(): Find a document and replace it.db.collection.findOneAndDelete(): Find a document and delete it.
Database Methods
db.getCollection(): Get a collection from a database.db.getCollectionNames(): Get a list of collection names in a database.db.createCollection(): Create a new collection in a database.db.dropCollection(): Drop a collection from a database.db.dropDatabase(): Drop the current database.
Cursor Methods
cursor.toArray(): Convert the cursor to an array.cursor.forEach(): Iterate over each document in the cursor.cursor.limit(): Limit the number of documents returned by the cursor.cursor.skip(): Skip a specified number of documents.cursor.sort(): Sort the documents returned by the cursor.
Aggregation Operators
$match: Filter documents based on specified criteria.$group: Group documents by a specified identifier.$sort: Sort documents.$project: Include or exclude fields in the output documents.$limit: Limit the number of documents in the result.$skip: Skip a specified number of documents.$lookup: Perform a left outer join with another collection.
Index Methods
db.collection.createIndex(): Create an index on a collection.db.collection.dropIndex(): Drop an index from a collection.db.collection.getIndexes(): List all indexes on a collection.