Computer scienceFundamentalsSQL and DatabasesDBMSMongoDBOperations and operators

Array query operations

Array query operators functionality

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Match array query operators with their functionality.

Match the items from left and right columns

$all

$elemMatch

$size

is used to query the number of elements in an array

selects documents if the element in the array field matches all the specified conditions

is used to match arrays that contain all elements specified in the query

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