Java from entry to entry-database Mongo DB Export, Import, backup, from entry to entry-level mongo

Java from entry to entry-database Mongo DB Export, Import, backup, from entry to entry-level mongo

I. Overview

This blog tells you how Mongo DB imports and exports data and backs up data.

In the following operations, you must open the Mongo DB server to perform the operation.

Ii. Export.

MongoDB export is very simple. Open cmd and enter the following command.

Export export-d foobar-c persons-o D:/persons. json

If you want to import the database documents of other hosts, write

Mongoexport -- host 192.168.0.16 -- port 37017

Iii. Import

It's also easy to open cmd and enter the following command

Export Import -- db foobar -- collection persons -- file d:/persons. json

Iv. Backup

MongoDB backup is simple. Open cmd and enter the following command.

Mongodump -- host 127.0.0.1: 27017-d foobar-o d:/foobar

It's easy to recover data. Open cmd and enter the following command.

Mongorestore -- host 127.0.0.1: 27017-d foobar-directoryperdb d:/foobar

V. Summary

Import, export, and backup operations are common operations. This blog introduces these operations.