The ______ field is always the first field in the document. – McqOptions

MCQOPTIONS

1.	The ______ field is always the first field in the document.
A.	_id
B.	id
C.	Ob_id
D.	None of the mentioned
Answer» B. id

Discussion

No Comment Found

Related MCQs

Which of the following query is used to generate a new ObjectId, use the ObjectId() constructor with no argument?
__________ returns the JavaScript representation in the form of a string literal.
The ______ field is always the first field in the document.
Which of the field is reserved for use as a primary key?
Object_Id is similar to _________ key in Relational Databases.
THE_GRIDFS_INDEX_ALLOWS_EFFICIENT_RETRIEVAL_OF____________USING_THE_FILES_ID_AND_N_VALUES?$
The ______ field is always the first field in the document?
GridFS uses a _________ index on the chunks collection for the files_id and n fields.
To ensure functioning replication, do not store values that are of the _______ regular expression type in the _id field.
In the mongo shell, you can access the creation time of the ObjectId, using the ______ method..