npm make you to use MongoDB easier
dbUrl is setted default value "mongodb://localhost:27017"
if succeeded, return true. else, return false.
mongodbeginner.update(dbName, collectionName, filter, data, dbUrl)
if succeeded, return true. else, return false.
mongodbeginner.insert(dbName, collectionName, data, dbUrl)
if succeeded, return true. else, return false.
mongodbeginner.upsert(dbName, collectionName, filter, data, dbUrl)
if succeeded, return found data array.
mongodbeginner.find(dbName, collectionName, filter, dbUrl)
if succeeded, return found data object.
mongodbeginner.find(dbName, collectionName, filter, dbUrl)
if succeeded, return true. else, return false.
mongodbeginner.remove(dbName, collectionName, filter, dbUrl)