Mongo Query question $gt,$lt

Question

I have a query below. I want get items between 4 and 6 so only a:1 should match because it has the value 5 in b.

> db.test.find({ b : { $gt :  4  }, b: {         


        

Answer 1

$gt

Syntax: {field: {$gt: value} }

eg:

db.inventory.find( { qty: { $gt: 20 } } )

$lt

Syntax: {field: {$lt: value} }

eg:

db.inventory.find( { qty: { $lt: 20 } } )

eg2:

db.inventory.find({ qty : { $gt :  20, $lt : 60}});