How do you delete a database in MongoDB?

How do you delete a database in MongoDB?

MongoDB Delete Database

1. Select the database you want to delete with the help of USE command. Following is the syntax of USE command. use
2. Drop the database with the help of db.dropDatabase() command. Following is the syntax of USE command. db.dropDatabase()

Which method delete multiple indexes on a collection?

Explanation: DropIndexs() method deletes multiple (specified) indexes on a collection while dropIndex() drop a particular index using the dropIndex() method of MongoDB.

How do you empty a collection in MongoDB compass?

If you need to delete many documents, consider using the mongo shell or a driver.

1. Copy the following filter into the Compass query bar and click Find: copy. copied. { “status” : “A” }
2. For each document, click the delete icon:
3. The document will be “Flagged for Deletion”, click Delete to confirm.

How to get collection names of MongoDB database?

List Collection Names of MongoDB Database Create a client to the MongoDB instance. Using the client, and select a database. It returns a reference to the database. Call the function list_collection_names () on the database. The functions returns an iterator, use for loop to iterate through the list

What is considered a collection in MongoDB?

In MongoDB, a collection is a group of documents. A collection typically contains documents that have a similar topic (like Users, Products, Posts, etc). Collections are therefore, in many ways, similar to tables from the relational model. The Documents. In MongoDB, documents are stored as JSON documents.

How can I rename a collection in MongoDB?

To rename a collection in MongoDB, you can use renameCollection () method. The syntax is as follows − To understand the above syntax, let us list all the collections from database sample. The query is as follows − Now change collection name ‘informationAboutDelete’ to ‘deleteSomeInformation’. The query is as follows to change the collection name.

What is DB in MongoDB?

MongoDB is an open source database management system (DBMS) that uses a document-oriented database model which supports various forms of data.