Find mongo documents where a field contains a string pattern
This tutorial guides you to find mongo documents where a field contains a string pattern using mongodb’s regular expression capabilities.
Find mongoDB documents where an array field exists and not empty
This tutorial guides you to find mongoDB collection documents where an array field exists and and it is not empty. Also shows an example on how to find documents where an array field exists and it is empty.
Find documents in mongodb collection where the array field contains specific values
This tutorial guides you to find the documents in mongodb collection where the array field contains specific values using query operations on array fields. Let’s see what mongo provides to perform query on array with example. Query array field containing… Read More!
How to list all collections from mongo shell ?
This tutorial guides you the ways to list all collections from mongo shell. The mongo shell provides helper methods like db.getCollectionInfos() and db.getCollectionNames().
How to sort numeric strings as numbers in mongodb
This tutorial guides you how to compare and sort numeric strings as numbers in mongodb using Collation feature of Mongo.