Explanation:$group works similar to group by clause in SQL. 9. ____________ works similar to HAVING clause in SQL
A. $setcon
B. $group
C. $match
D. None of the mentioned
Answer:A
Explanation:$group works similar to group by clause in SQL. 9. ____________ works similar to HAVING clause in SQL
A. $setcon B. $group C. $match D. None of the mentioned
Explanation:Place the $match as early in the aggregation pipeline as possible.. 10. COUNT function is provided by _________ in MongoDB.