When you query a collection, MongoDB returns a ________ object that co – InterviewSolution

InterviewSolution

1.	When you query a collection, MongoDB returns a ________ object that contains the results of the query.(a) row(b) cursor(c) colums(d) none of the mentioned
Answer» The correct option is (b) cursor To explain: The mongo shell then iterates over the cursor to display the results.

Discussion

No Comment Found

Related InterviewSolutions

Point out the wrong statement.(a) Client libraries provide a convenient, injection free, process to build these objects(b) MongoDB represents queries as BSON objects(c) Field names in MongoDB’s query language have semantic meaning(d) All of the mentioned
Which of the collection in GridFS stores the binary chunks?(a) chunks(b) files(c) data(d) log
How many does collections GridFS use to store files?(a) 1(b) 2(c) 3(d) 4
Each document in the __________ collection represents a distinct chunk of a file as represented in the GridFS store.(a) chunks(b) files(c) bson(d) none of the mentioned
Which of the following document represents uncaught exception?(a) 45(b) 49(c) 47(d) 100
__________ is a command-line utility to import content from a JSON, CSV, or TSV.(a) mongorestore(b) mongofiles(c) mongosupport(d) mongoimport
The ___________ collection stores custom roles that administrators create and assign to users to provide access to specific resources.(a) admin.system.role(b) admin.system.roles(c) admin.system.roleasign(d) all of the mentioned
To generate pseudo-random data to use for a keyfile, issue the following __________ command.(a) openhss(b) openssd(c) openssl(d) all of the mentioned
_id is a ________ bytes hexadecimal number which assures the uniqueness of every document.(a) 13(b) 16(c) 12(d) 10
Backup can also create snapshots of _________ that are run as single-member replica sets.(a) documents(b) standalones(c) backups(d) none of the mentioned