How does the order of compound indexes matter in MongoDB performance-wise?
Redsandro, You must consider Index Cardinality and Selectivity. 1. Index Cardinality The index cardinality refers to how many possible values there are for a field. The field sex only has two possible values. It has a very low cardinality. Other fields such as names, usernames, phone numbers, emails, etc. will have a more unique value … Read more