MongoDB sort

an introduction

MongoDB sort() method

Use the sort() method to sort data in MongoDB. The sort() method can specify the sorted field through parameters, and use 1 and -1 to specify the sorting method, where 1 is for ascending order, and -1 is used for descending sort.

 

two grammar

The basic syntax of the sort() method is as follows:

>db.COLLECTION_NAME.find().sort({KEY:1})

 

Three examples

The following example demonstrates that the data in the col collection is sorted by the field likes in descending order:

1. >db.col.find({},{"title":1,_id:0}).sort({"likes":-1})
2. { "title" : "PHP 教程" }
3. { "title" : "Java 教程" }
4. { "title" : "MongoDB 教程" }