Get Started with Atlas 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 importan...
The MongoDB Connector for Apache Spark allows you to use MongoDB as a data source for Apache Spark. You can use the connector to read data from MongoDB and write it to Databricks using the Spark API. To make it even easier, MongoDB and Databricks recently announcedDatabricks Notebooks integ...
db.collection.aggregate([{ $group: { _id:null,count: { $sum:1} } } { $project: { _id:0} }]) Consider a collection with the following index. {a:1,b:1} When conducting a count, MongoDB can only use the index to return the count if the query: ...
MongoDB Setup: Connecting to Data Sources To query document databases, we need to install the MongoDB server. Here are the platform-specific instructions: For Windows, follow the instructions on this link. For Unix-like systems, you can install MongoDB from the terminal: $ sudo apt-get insta...
5. Explore MongoDB data Double-click on a collection in the Connection Tree to open aCollection Tab, which is the starting point of all data exploration in Studio 3T. Here you can view the contents of your MongoDB collection in eitherTable View,Tree View, orJSON View: ...
MongoDB Delete Collections Use the drop() Method Use the remove() Method Delete Collections in MongoDB Delete Collection Using the drop() Method Delete All Documents From the Collection Using the remove() Method Use Command-Line to Drop Database in MongoDB In this article, the ...
mongodump -d<database_name>-o<directory_backup> Example: mongodump -d ngdeveloper-0D:\ngdeveloper\mongodb-exports\ MongoDB Import Command to import all the collections of the database: mongorestore -d<database_name><directory_backup> ...
Insert the following demo data to MongoDB. Open a shell tab "Command-T" and execute the following script to get the employees collection. 1 2 3 4 5 6 7 db.employees.insert([ {"number":1001,"last_name":"Smith","first_name":"John","salary":62000,"department":"sales",hire_date:IS...
Let’s add one character into the database before we continue. db.characters.insertOne({ name:'Arya Stark'}) You can see the characters we’ve added by using thefindcommand. (db.<collectionName>.find()). db.characters.find() This is all you need to know about the Mongo Shell for no...
sudodnfinstall-yhttps://downloads.mongodb.com/compass/mongodb-compass-1.26.1.x86_64.rpm Copy Note:MongoDB Compass is also available for Mac and Windows systems. To set up MongoDB Compass on non-Linux systems, follow the installation instructions from theofficial MongoDB Compass documentation. ...