MongoDB

MongoDB uses a database profiler to perform characteristics of each operation against the database. You can use a profiler to...

Yes.

Namespace is a concatenation of the database name and the collection name. Collection, in which MongoDB stores BSON objects.

By default, the_id collection is created for every collection by MongoDB

In MondoDB, Indexes are used to execute query efficiently. Without indexes, MongoDB must perform a collection scan, i.e. scan every...

yes.

ObjectID is a 12-byte BSON type. These are:

No. There is no need a lot of RAM to run MongoDB. It can be run even on a small...

We can achieve primary key-foreign key relationship by embedding one document inside another. For example: An address document can be...