Which commands you use to lock the database in mongodb?
how to do transactions/locking in mongodb?
Is mongodb a nosql database? Explain.
Is mongodb relational database?
What is mongodb sharding?
When was mongodb created?
If you remove a document from database, does mongodb remove it from disk?
Is mongodb a backend?
What language does mongodb use?
How does mongodb sharding work?
Where is mongodb stored?
Do the mongodb databases have schema?
What do you mean by a replica set in mongodb?
Is mongo shell supported to tab completion?
When using replication, can some members use journaling and others not?