How do I drop a database in MongoDB?
The best way to do it is from the mongodb console: > use mydb; > db. dropDatabase(); Alternatively, you can stop mongod and delete the data files from your data directory, then restart.
How do I empty a collection in MongoDB?
To delete all documents in a collection, pass an empty document ({}). To limit the deletion to just one document, set to true. Omit to use the default value of false and delete all documents matching the deletion criteria.
How do I drop a database in command prompt?
To do delete a database you need the command ‘DROP DATABASE’. The syntax is similar to creating a database. ‘DROP DATABASE ;’, where is the name of the database you want to delete.
How do I close all connections in MongoDB?
open(function (err, db) { db. close(); }); // Open another connection db. open(function (err, db) { db. close(); });
What is the difference between drop and remove in MongoDB?
@foreyez The duplicate answer explains what the two options do: drop() completely deletes the collection; remove({}) deletes matching documents while preserving (and updating) indexes. If your intent is to delete a collection, you should use drop() .
How do I drop a user in MongoDB?
MongoDB: db. dropUser() method is used to removes the user form the current database. The name of the user to remove from the database. The level of write concern for the removal operation. The writeConcern document takes the same fields as the getLastError command.
How to drop a MongoDB database from command line?
– Run the dropDatabase command on a mongos. – Once the command successfully completes, run the dropDatabase command once more on a mongos. – Use the flushRouterConfig command on all mongos instances before reading or writing to that database.
How do I drop a MongoDB database using pymongo?
– client = MongoClient () – coll = client [“data”] – coll.insert_many (data)
How to repair MongoDB database?
Create a database backup following this guide.
How to backup and restore MongoDB database?
mongodump tool is used to take backup of MongoDB database or collection or subset of collection. mongorestore tool is used to restore database or collection on the target database. 1. To backup all databases just type mongodump without any parameters. It creates a database backup named dump/ in the current directory.