What Is A Covered Query In Mongodb?

1.	What Is A Covered Query In Mongodb?
Answer» A COVERED QUERY is the one in which: fields USED in the query are part of an index used in the query, and the fields returned in the RESULTS are in the same index. A covered query is the one in which: fields used in the query are part of an index used in the query, and the fields returned in the results are in the same index.

Answer»

A COVERED QUERY is the one in which:

fields USED in the query are part of an index used in the query, and the fields returned in the RESULTS are in the same index.

A covered query is the one in which:

fields used in the query are part of an index used in the query, and the fields returned in the results are in the same index.

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