Joins in MongoDB ($lookup)
Performs a left outer join to an unsharded collection in the same database to filter in documents from the “joined” collection for processing. Joins in MongoDB is introduced in MongoDB 3.2 with $lookup aggregate. Compared to SQL server it is…
You can make Left Join in MongoDB ?
Most will say no , because it is NoSQL ( free of schemas and joins ) . But from the new version of MongoDB (3.2) , the answer is YES! Visit the blog… We all know that one of…