Aggregation operations process data records and return computed results. Aggregation operations group values from multiple documents together, and can perform a variety of operations on the grouped data to return a single result. What aggregation operator of NoSQL is equivalent to WHERE is SQL?
Aggregation operations process data records and return computed results. Aggregation operations group values from multiple documents together and can perform a variety of operations on the grouped data to return a single result. What aggregation operator of NoSQL is equivalent to WHERE is SQL?
a.$match
b.$loopup
c.$group
d.$matches