Question

Point out the correct statement.

(a) Applications that handle monetary data often require capturing fractional units of currency

(b) Applications that handle time data often require capturing fractional units of currency

(c) Applications that handle temporal and spatial data often require capturing fractional units of currency

(d) All of the mentioned

I have been asked this question in a job interview.

Query is from Model Monetary and Time Data topic in section Data Models of MongoDB

Answer 1

The correct option is (a) Applications that handle monetary data often require capturing fractional units of currency

Easy explanation: Some fractional numeric quantities, such as one third and one tenth, have no exact representation in binary floating point numbers.