Q. Each index in MongoDB requires at least _________ of data space.

View solution

Q. ___________ data models allow applications to store related pieces of information in the same database record.

View solution

Q. Point out the correct statement.

View solution

Q. Embedded data model is used when you have _________ relationships between entities.

View solution

Q. Normalized data models describe relationships using ___________ between documents.

View solution

Q. Point out the wrong statement.

View solution

Q. To interact with embedded documents, use ___________ notation to “reach into” embedded documents.

View solution

Q. MongoDB using the mmapv1 storage engine has limits on the number of __________

View solution

Q. To get the current number of namespaces in the mongo shell, use ________________

View solution

Q. The __________ feature of collections expires documents after a period of time.

View solution

Q. Capped collections provide __________ management of inserted documents in MongoDB.

View solution

Q. _______________ is a specification for storing and retrieving files that exceed the BSON-document size limit of 16MB.

View solution

Q. Point out the wrong statement.

View solution

Q. How many does collections GridFS use to store files?

View solution

Q. The default chunk size is changed from 256k to 255k in which version?

View solution

Q. Point out the wrong statement.

View solution

Q. Which of the collection in GridFS stores the binary chunks?

View solution

Q. ___________ is the _id is of the data type chosen for the original document in files collections.

View solution

Q. Which of the following checks and repairs errors and inconsistencies in data storage?

View solution

Q. The files_id field contains the _id of the chunk’s __________ document.

View solution