A. $addnum
B. $setadd
C. $adds
D. $add
_______ returns the remainder of the first number divided by the second.
String expressions, with the exception of ________ only have a well-defined behavior for strings of ASCII characters.
MongoDB supports the execution of JavaScript code for certain server-side operations like:
Which of the following is used to display the replica set configuration object ?
Which of the field is reserved for use as a primary key ?
________ subtracts two dates to return the difference in milliseconds
Object_Id is similar to _________ key in Relational Databases
In the mongo shell, you can access the creation time of the ObjectId, using the ______ method..
_____________ is used to initiate relica member set.
To generate pseudo-random data to use for a keyfile, issue the following __________ command.