![]() ![]() ![]() ![]() In this case you can simply set a filter on the property_type field that is equal to the requested value. Suppose you want to extract all properties of type “House” from the AirBnB database. Sort documents by age field in descending order and then by name in ascending order. Information about the indexes defined for the selected collection is also shown. MongoDB Compass is a GUI (Graphical User Interface) for querying. The other 3 menus ( Explain Plan, Indexes and Validation) will not be used in this tutorial, but are used, as you can see from their names, respectively to analyze the execution plan of a query, manage indexes and insert validation rules for the documents stored in the collection.įinally, in the upper right part of the screen some information about the number of comments saved, the space occupied both by the collection and on average by each document is always displayed. Next we’ll see how to use it to understand which queries can return results of interest. The Schema menu is used to analyze the schema of the data in the collection and retrieve some statistics about the distribution of the data. The second menu is related to aggregation pipelines and is used for more complex queries that require transformation operations of the data present in the documents. Also, if there is any syntax error the badge next to the form field will have a red colored background. ![]() As you type, in fact, MongoDB Compass will suggest the fields and operators that might be useful to compose the query. Very useful features of the query form are the auto-completion and the syntax validation. To enter all these options, simply expand the query form by clicking on the OPTIONS button. It is possible to insert filters, projections, sort conditions and limitation of the number of records returned. The sort () method allows you to sort the matching documents by one or more fields ( field1, field2, ) in ascending or descending order. For each document displayed, you can edit it, copy it to your clipboard, duplicate it and delete it using the buttons on the right associated with each document.Īs mentioned earlier, this screen can be used to query the collections. The other views are the JSON (available since version 1.2) and the tabular view. If there are complex structures within a document (embedded documents, arrays) it is possible to expand them to display the data present. Basic syntax of MongoDB sort() db.collection_name.find().sort()”.The default view is that of the list. Here the positive one represents the ascending order, while the negative one represents the descending order. Here is a simple example to sort the collections data in descending order by date. The sorting order in MongoDB is defined by either a one (1) or a minus (-1). These building blocks are fields to be sorted and the sort order. The sort() method consists of two basic building blocks. In MongoDB, sorting is done by the sort() method. The main advantage of sorting is that it increases the readability and uniformity of the data, which helps the users grasp the meaning of the data set more effectively. You can carry out sorting operations on various data types such as: Use the right-hand menu to navigate.) What is database sorting?ĭatabase sorting presents data in an ascending or descending order with relation to the data in a specified field. (This article is part of our MongoDB Guide. Not only that, sorted data will be used by developers to write more complex algorithms. Using the sort() method will increase the readability of a query, which leads to a better understanding of a given dataset. Basics To open Aggregation Editor: Toolbar Click on the Aggregate button Right-click Right-click on a target collection and choose Open Aggregation Editor Shortcut Press F4 The Aggregation Editor has five main tabs: Pipeline, Stage, Query Code, Explain, and Options. In this article, I’ll show you how to use the MongoDB sort() method in various scenarios, including how to use it alongside other methods to sort a given data set. Automated Mainframe Intelligence (BMC AMI).Control-M Application Workflow Orchestration.Accelerate With a Self-Managing Mainframe.Apply Artificial Intelligence to IT (AIOps). ![]()
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