How do I use descending order in MongoDB?
Set the Sort Order
- In the Query Bar, click Options.
- Enter the sort document into the Sort field. To specify ascending order for a field, set the field to 1 in the sort document. To specify descending order for a field, set the field and -1 in the sort documents.
- Click Find to run the query and view the updated results.
How do I rearrange data in MongoDB?
To sort documents in MongoDB, you need to use sort() method. The method accepts a document containing a list of fields along with their sorting order. To specify sorting order 1 and -1 are used. 1 is used for ascending order while -1 is used for descending order.
How do you sort documents in descending order?
Sorting Documents using sort() method Using sort() method, you can sort the documents in ascending or descending order based on a particular field of document. 1 is for ascending order and -1 is for descending order. The default value is 1.
Is MongoDB ordered?
By default, MongoDB performs an ordered insert. With ordered inserts, if an error occurs during an insert of one of the documents, MongoDB returns on error without processing the remaining documents in the array.
How do I reverse the order of data in MongoDB?
In mongosh , use cursor. sort() instead. The $orderby operator sorts the results of a query in ascending or descending order. These examples return all documents in the collection named collection sorted by the age field in descending order.
What is the meaning of descending order?
Definition of in descending order : arranged in a series that begins with the greatest or largest and ends with the least or smallest The states are listed in descending order of population size. The sale items are arranged in descending order according to price.
What is the correct ascending order in which MongoDB compares the BSON types?
When comparing values of different BSON types, MongoDB uses the following comparison order, from lowest to highest:
- MinKey (internal type)
- Null.
- Numbers (ints, longs, doubles, decimals)
- Symbol, String.
- Object.
- Array.
- BinData.
- ObjectId.
What is MongoDB default sort order?
What is the default sort order when none is specified? The default internal sort order (or natural order) is an undefined implementation detail.
Are MongoDB IDS sequential?
By default, MongoDB generates a unique ObjectID identifier that is assigned to the _id field in a new document before writing that document to the database. Unique identifiers may need to be generated in a monotonically increasing and continuous sequential order.
How do I sort an array in MongoDB?
In order to sort array, follow these steps:
- use unwind to iterate through array.
- sort array.
- use group to merge objects of array into one array.
- then project other fields.
Is descending high to low?
So, in a nutshell, descending order is the arrangement of items from highest to lowest.
What is order by in MongoDB?
Introduction to order by in MongoDB order by operator sorts the result of the query in an ascending and descending order but ascending and descending order is based on the value we mentioned in the query that is 1 is for ascending order and -1 is for descending order. order by the command is deprecated in MongoDB shell.
What is the Order of Dept in mongo shell?
Dept is sorted in ascending order. We have studied or learned what is the order by in mongo shell and due to deprecation in the mongo shell cursor.sort () method, we are using to sort the collection. This will help users to get the data as per their choice of ascending or descending order.
How do I sort the matching documents in MongoDB?
Summary: in this tutorial, you’ll learn how to use the MongoDB sort () method to sort the matching documents returned by a query in ascending or descending order. To specify the order of the documents returned by a query, you use the sort () method: cursor.sort ( {field1: order, field2: order.})
Is $orderby deprecated in mongo shell?
Deprecated in the mongo Shell since v3.2. Starting in v3.2, the $orderby operator is deprecated in the mongo shell. In the mongo shell, use cursor.sort() instead. The $orderby operator sorts the results of a query in ascending or descending order.