Explanation:If some, but not all, documents for the $min operation have either a null value for the field or are missing the field, the $min operator only considers the non-null and the non-missing values for the field. 10.$addToSet returns an array of all _______ values that results from applying an expression to each document.
A. unique
B. non unique
C. distinct
D. All of the mentioned
Answer:A
Explanation:If some, but not all, documents for the $min operation have either a null value for the field or are missing the field, the $min operator only considers the non-null and the non-missing values for the field. 10.$addToSet returns an array of all _______ values that results from applying an expression to each document.
A. unique B. non unique C. distinct D. All of the mentioned
Explanation:Order of the elements in the output array is unspecified. Sanfoundry Global Education & Learning Series – MongoDB.