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02 May 2020

MongoDB |> server selection error: server selection timeout Type: ReplicaSetNoPrimary

Get a wired error message: error connecting to host: could not connect to server: server selection error: server select...

26 Mar 2020

MongoDB |> How to Select a Single Field for All Documents in a MongoDB Collection

db.inventory.find( { type: 'food' }, { item: 1, qty: 1 } ) In above example from the folks at Mongo, the return...