Read OperationsΒΆ

The following documents describe read operations:

Read Operations Overview
A high level overview of queries and projections in MongoDB, including a discussion of syntax and behavior.
Queries return iterable objects, called cursors, that hold the full result set.
Query Optimization
Analyze and improve query performance.
Query Plans
MongoDB executes queries using optimal plans.
Distributed Queries
Describes how sharded clusters and replica sets affect the performance of read operations.

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