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MongoDB Interview Questions
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Can journaling feature be used to perform safe hot backups?

 1

Will there be journal replay programs in case of incomplete entries (if there is a failure in the middle of one)?

 1

What is a ‘namespace’?

 1

Are null values allowed?

 1

How does sharding work with replication?

 1

When using replication, can some members use journaling and others not?

 1

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

 1

What is a master or primary?

 1

When an object attribute is removed, is it deleted from the store?

 1

How do I do transactions/locking?

 1

Should you start out with sharded or with a non-sharded mongodb environment?

 1

What happens when a shard is down or slow when querying?

 1

Does aws have mongodb?

 1

Is dynamodb a mongodb?

 1

Is mongodb big data?

 1

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Un-Answered Questions { MongoDB }

What language you can use with mongodb?

1

Explain replica set?

5

How to perform transactions/lock in mongodb?

5

Which language is used in mongodb?

1

Explain what is gridfs in mongodb?

1




In which language mongodb is written?

5

Is mongodb support null values?

5

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

1

How can you see the connection used by mongos?

5

What is sharding in mongodb?

5

When do we use namespace in mongodb?

5

What is mongodb compass?

1

Why mongodb data files so large (in size)?

5

Give some features of MongoDB.

5

What is write concern in mongodb?

1

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