Is it good practice to create an index on an embedded document? How does this relate to performance? Is there a noticeable real performance impact compared to a reference?
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Do you have a sample? Did you run any tests? – Wernfried Domscheit Mar 24 '22 at 21:20
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You can create an index on any type of field in your document - an embedded document or its individual fields are no exception. It depends upon your use case. MongoDB has array and sub-documents as composite types. – prasad_ Mar 25 '22 at 01:58