mongodb database 2.0 to 3.0 migration

 

Use mongodb's own tools to export data, and then import data, you can import and export a table student separately

 

./mongodump -h 127.0.0.1:27017 -u hello -p 123456 -d school -c student -o /chipmunk/temp/

 

./mongorestore -h 127.0.0.1:27017 -u hello -p 123456 -d school -c student  /chipmunk/temp/student.bson