How to export data from mongoDB

# Make sure that we have mongoD process running and file below command from bash and not from Mongo shell to export data. This will export data for one collection in Db, to export entire DB use mongo dump

MQ428GG8WL:week2 asee2278$ mongoexport –db students –collection grades –out gradesOut.json

• 2016-01-14T14:21:18.813-0600 connected to: localhost
• 2016-01-14T14:21:18.831-0600 exported 800 record

Sample exported record would look like :

{"_id":{"$oid":"50906d7fa3c412bb040eb583"},"score":92.6244233936537,"student_id":3,"type":"exam"}