gte and lt in mongodb code example
Example 1: mongodb gte
// $gte selects the documents where the value of the field is greater
// than or equal to (i.e. >=) a specified value (e.g. value.)
db.inventory.find( { qty: { $gte: 20 } } )
Example 2: $gte in mongodb
db.inventory.find( { qty: { $gte: 20 } } )