Push multiple objects into MongoDB array document | Append Multiple Objects to an Array in MongoDB

Normally we use $push to push or append the element or object into an array in mongoDB. But sometime we may need to push the multiple objects into mongoDB array document. Here below I'll try to explain how we can do that.

Let say I have a collection of favorite products and the collection name isĀ favorite_products.

Now in the above document, I wanted to push/append the multiple user objects into the users array whose product id is 124.



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MongoDB distinct with array of objects | Getting distinct values from object array MongoDB

Let say we have a collection transactions which contains some document and documents contain payments which is array of objects.
Now my task is to get the unique types in payments array of every document.

Expected Result: Debit Card, Internet Banking, Credit Card, UPI



which is unique values of payment types in transctions collection and the MongoDB query for that is given below:

Here we first unwind the data so that every payments array can be converted to objects and then we are grouping the type of payments document in transctions collection. ...  Read More

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