code: function (connectionName, collectionName, options, cb) {
  
        options = options || {};
        var connectionObject = connections[connectionName];
        var collection = connectionObject.collections[collectionName];
  
        // Find all matching documents
        collection.count(options, function (err, recordCount) {
          if (err) return cb(err);
          cb(null, recordCount);
        });
      }
docs: Count
  
  Count records matching provided criteria. This function
  is memory optimized version of find.
  
  @param {String} connectionName
  @param {String} collectionName
  @param {Object} options
  @param {Function} cb