/TypeScript/Mongodb add array to set

Mongodb add array to set

Mongodb push to arry in update

db.collection.update({_id:xx}, {$push:{letters : {$each:['first one'], $position:0}}})

6

Source: stackoverflow.com

Mongodb push to arry in update

db.collection.update({_id:xx}, {$pop:{letters : -1}})

3

Source: stackoverflow.com

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