Operators

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MQL has a variety of query operators that can be used to manipulate documents or the query the database.

Update Operators¶

Example: $inc, $set, $unset Enable the modification of data in the database

Query Operators¶

Query operators are additional ways to locate data within the database.

The $ operators has multiple uses within MongoDB:

• It precedes MQL operators
• It precedes Aggregation pipeline stages
• Allows access to field values