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Alex Rivera
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I'd like to get the names of all the keys in a MongoDB collection. For example, from this: db.things.insert( { type : ['dog', 'cat'] } ); db.things.insert( { egg : ['cat'] } ); db.things.insert( { type : [] } ); db.things.insert( { hello : [] } ); I'd like to get the unique keys: type, egg, hello
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