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

Q. Which of the following field allows efficient retrieval of chunks?

View solution

Q. Which of the following relationship uses references to describe documents between connected data?

View solution

Q. Point out the correct statement.

View solution

Q. Which of the following is used to avoid the repetition of data in MongoDB schema?

View solution

Q. Point out the wrong statement.

View solution

Q. __________ define what records to select for read, update, and delete operations.

View solution