Explain sharding in mongodb?

1

What is better mysql or mongodb?

1

How do I drop a collection in mongodb? Write it's syntax

1

What is the use of a namespace in mongodb?

1

What is difference between mongod and mongodb?

1

If a ‘movechunk’ fails, is it necessary to cleanup the partially moved docs?

1

What is replica set in mongodb? Explain

1

What is the role of use command?

5

How many employees does mongodb have?

1

What is 32-bit nuances?

1

Can journaling features be used to perform safe hot backups?

1

Is mongodb better than mysql?

1

Give some features of MongoDB.

5

Can I remove old files in the move chunk directory in mongodb?

5

Is mongodb file based?

1