MongoDB Conditional Operators
MongoDB provides $cond, $ifNull, and $switch for conditional logic in aggregation pipelines. Browse each operator’s syntax and examples below.
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$cond
The$condoperator in MongoDB is a conditional expression operator used to evaluate and process data. -
$ifNull
Use MongoDB $ifNull to replace null or missing values, chain multiple fallback expressions, and choose when $ifNull is simpler than $cond. -
$switch
Use MongoDB $switch in aggregation pipelines to evaluate multiple conditions, return the first matching result, handle defaults, and choose between $switch and $cond.