Click Menu-> Options -> Translate SQL to MongoDB Shell Script, click "Translate SQL to NoSQLBooster for MongoDB Fluent API". Re-execute the script, the equivalent fluent MongoDB query will be shown in the "console.log/print" tab. ...
The MongoDB shell allows you to access a database as long as you already have access to the server on which MongoDB is running. However, a command line interface isn’t always ideal for working with a database, as it may not be clear how one can find or analyze their data. Some ma...
Run the following command to start your Node server: 1 node --env-file=.env.mongodb mongodb.js Migrating the SQL queries There are two steps here: Translate the SQL queries to the MongoDB Query API. Use the MongoDB Query Converter to migrate your SQL queries to the MongoDB Query API....
Query Profiler Query Targeting Real-Time Performance Panel Replication Lag Replication Oplog Window rs.printReplicationInfo() rs.printSecondaryReplicationInfo() rs.status() Scan And Order System Memory Experience the benefits of using MongoDB, the premier NoSQL database, on the cloud. ...
Database monitoring isn’t very practical or useful when working with a small data set, since the database system will only need to scan a few records for any given query. To illustrate MongoDB’s performance monitoring features, you’ll need a database with enough data that it will take...
When an index covers a query, MongoDB can both match the query conditions and return the results using only the index keys; i.e. MongoDB does not need to examine documents from the collection to return the results. When an index covers a query, the explain result has an ...
Adding a virtual to your schema in mongodb will help you YourSchema.virtual('numbersum') .get(function () { return this.number1 + ' ' + this.number2; }) Then, you´ll be able to do that: db.yourcollection.find().sort({numbersum:1}); Check this answer. Sorti...
MongoDB pagination provides an effective technique to describe the data, making paging fast and efficient; in MongoDB, you can rapidly examine many data. The essential application of paging implementation is that it usesskip,limit, andsortat the database level; however,limitandskiphave various iss...
MongoDB + Node.js Like most databases, you need to open a connection to MongoDB, hold on to that object, and use that for subsequent actions against the database. Thus, it would seem an obvious first step would be to create that object as the application is starting up and store it ...
mongos> show collections test Check the slow query logs in the database. db.system.profile.find().pretty() Analyze slow query logs to find the cause of the high CPU usage. The following is an example of a slow query log. The log shows a request that scanned the entire table, includin...