If the collection does not exist in the database and cannot be appropriately deleted, the result will be false. Use the drop and remove methods to delete a collection from MongoDB. When uninstalling a collection, you must also specify the collection name. Use the drop() Method To delete a...
If you try to drop a collection in the admin database or the config database from amongossince MongoDB 5.0, the drop command and thedb.collection.drop()function will produce an error. Instead, connect to the config server and perform the command to remove these collections. Syntax: db.col...
MongoDB does not provide a direct command to rename a database. Instead, renaming a database in MongoDB involves a workaround that includes copying data from the original database to a new one, then deleting the original database if desired. This process requires using commands to clone coll...
MongoDB provides monitoring and tools to observe and address the performance overall health of your database instances. Read on to understand the metrics and tools you can use to monitor your clusters. In what follows, we’ll guide you through: Why it’s important to monitor MongoDB K...
In this tutorial, we will use MongoDB Atlas as a vector store and retriever. But first, you will need a MongoDB Atlas account with a database cluster and get the connection string to connect to your cluster. Follow these steps to get set up: Register for a free MongoDB Atlas account....
At the heart of MongoDB’s native replication system is theoplog (operation log), a capped collection that logs every write operation—insert, update, and delete—performed on your MongoDB cluster. By tailing the oplog, you can stream CDC events from the source database to target systems usi...
MongoDB shell version: 2.2.2 connecting to: localhost/db { "dropped" : "db", "ok" : 1 } bye 1. 2. 3. 4. 5. 6. 7. command for Database drop is : first select the database which you want to delete use < database name > ...
Importing and exporting a database means dealing with data in a human-readable format, compatible with other software products. In contrast, the backup and restore operations create or use MongoDB-specific binary data, which preserves not only the consistency and integrity of your data but...
Then, from the terminal, start the MongoDB server with the following command: $ sudo service mongodb start Powered By Now, we are ready to load some data into a document database. There are two scenarios when doing so: You have data locally in appropriate formats like JSON, BSON, YAM...
To restore a MySQL database from a backup file, you can use themysqlcommand. mysql -u root -p tecmint < tecmint_backup.sql Make sure the database you are trying to restore to already exists. If it doesn’t, you can create it using: ...