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FIND SPECIFIC FIELDS FROM SunDOCUMENTS OF ALL DOCUMENTS UNDER A COLLECTION IN MONGODB

Funny Flamingo answered on November 24, 2021 Popularity 7/10 Helpfulness 1/10

answer FIND SPECIFIC FIELDS FROM SunDOCUMENTS OF ALL DOCUMENTS UNDER A COLLECTION IN MONGODB

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FIND SPECIFIC FIELDS FROM SunDOCUMENTS OF ALL DOCUMENTS UNDER A COLLECTION IN MONGODB

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db.inventory.find( { item: /^j/ }, { 'size.h': 1 } )

Popularity 7/10 Helpfulness 1/10 Language whatever

Source: stackoverflow.com

Tags: documents find mongodb whatever

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Contributed on Nov 24 2021

Funny Flamingo

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FIND SPECIFIC FIELDS FROM SunDOCUMENTS OF ALL DOCUMENTS UNDER A COLLECTION IN MONGODB

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//use when you want `_id,size` (As object) with its only property `h` in 
//$project,

db.inventory.aggregate([{$match:{  item: /^j/  } },{ $project:{ 
"size.h":"$size.h" } }])

//use when you want `_id,size` size ase whole object  
//$project,

db.inventory.aggregate([{$match:{  item: /^j/  } },{ $project:{ "size":1 } 
}])

Popularity 7/10 Helpfulness 1/10 Language whatever

Source: stackoverflow.com

Tags: find whatever mongodb documents

Link to this answer
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Contributed on Nov 24 2021

Funny Flamingo

0 Answers Avg Quality 2/10

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FIND SPECIFIC FIELDS FROM SunDOCUMENTS OF ALL DOCUMENTS UNDER A COLLECTION IN MONGODB

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FIND SPECIFIC FIELDS FROM SunDOCUMENTS OF ALL DOCUMENTS UNDER A COLLECTION IN MONGODB

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