Use command
MongoDB use database_name
Used to create the database. The command creates a new database and returns the existing database if it does not exist.
Dropdatabase () method
MongoDB Db.dropdatabase ()
The command is used to delete an existing database. The basic syntax for the dropdatabase () command is as follows:
Db.dropdatabase ()
drop ()
Method
MongoDB's Db.collection.drop () is used to delete a collection from the database.
Insert () method
To insert data into a MongoDB collection, you need to use the MongoDB Insert () or Save () method.
Find () method
To query the collection data from MongoDB, you need to use the MongoDB find () method.
Pretty () method
The results are displayed in a formatted manner and can be used with the pretty () method.
Limit () method
To limit the records in MongoDB, you need to use the limit () method. The limit () method accepts a numeric parameter, which is the number of documents to display. Grammar:
The basic syntax for the limit () method is as follows
>db. Collection_name.find (). Limit (number)