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#Mongodb compass query distinct values how to
#Mongodb compass query distinct values license
#Mongodb compass query distinct values free

Officially introduced as an Open-source development model in 2009, the MongoDB database is designed, maintained, and managed by MongoDB.Inc under a combination of the Server Side Public License and the Apache License. Each collection consists of multiple documents that contain the basic units of data in terms of key and value pairs. Unlike traditional Relational Databases, MongoDB is classified as a NoSQL Database Management System that uses Collections and JSON-like Documents instead of tables consisting of rows and columns.

#Mongodb compass query distinct values free

MongoDB is a popular Free and Open-Source Cross-Platform Document Oriented Database built for efficiently storing and processing massive volumes of data.

In this article, you will learn about MongoDB Filtering and how you can apply filters to your queries. Other MongoDB products such as MongoDB Atlas App Services also allow you to carry out MongoDB filtering and optimize your query performance. You can also execute MongoDB Filtering on MongoDB Compass to leverage the powerful GUI tool. One solution is to perform MongoDB Filtering which returns only the documents that match your specified condition.

MongoDB Filtering: MongoDB Atlas App Services.

MongoDB Filtering: MongoDB Filter Aggregation Operator.

What Makes Hevo’s ETL Process Best-In-Class?.

Replicate Data From MongoDB in Minutes Using Hevo’s No-Code Data Pipeline.

The following documents were inserted into the artists’ collection: db.artists. The following example will help you to understand the problem more precisely:

The $group stage is used by the aggregation process to get the separate item values from the collection. In this topic, you will learn to find distinct fields using aggregation operations.

#Mongodb compass query distinct values how to

Read: How to create the indexes in MongoDB? Distinct query in aggregate MongoDB Note that, The benefits of indexes, when we have a large dataset and we want to find out distinct fields on the time with the help of indexes we can easily retrieve the distinct documents fields. We have successfully retrieved the distinct fields using an index. The find() method will use to return the documents of the collection.ĭistinct fields in MongoDB using an index The following documents were inserted into the inventory collection. Now, You will more understand with the help of an example. So, In this topic, you will learn to apply the distinct query with conditions. Sometimes we have to apply the condition using the distinct method to find a particular document. We have successfully retrieved the distinct value from the collection.Īlso, check: MongoDB Auto Increment ID Distinct query in MongoDB with condition

Return all the fields of the fname column.

db.students.insertMany([Īfter that, we will apply the below query to return the distinct name (fname) of all the students present in the collection: db.student.distinct("fname") The following documents were inserted into the students’ collection. You will more understand this with the help of an example. In this topic, you will learn to find the distinct values for a given field across a single collection and return the result in an array. Note, you will the aggregation pipeline to retrieve distinct values using the $group operator. Optional, A document that specifies the options. The field name for which you want to return distinct values.Ī query that specifies the documents from which to retrieve the distinct values. The command contains the following fields: parameter Syntax: db.collection.distinct(field, query, options) The results document also contains an embedded document with query statistics and the query plan. The distinct method will return a document that contains an array of the distinct values. MongoDB finds the distinct values for a defined field over a single collection.

Distinct query in MongoDB multiple fields.

Distinct query in MongoDB with condition.