MongoDB

Basic Commands

Start it

mongo

Show databases

show dbs

Select a database

use database

List tables (collections)

show collections

Show content from a collection (table)

db.<collection>.find().pretty()

Passing parameters (greater than/equal)

db.<collection>.find({ age: { $gte: 18 } })

Limit results (first five)

db.users.find().limit(5)

Dump a database

mongodump --db <database_name> --out <backup_directory>

Dump a collection

mongodump --db myDatabase --collection myCollection --out /path/to/backup/
codeshe

Mongo dump the data in binary form, creating BSON files, in order to convert then is a readable form use:

bsondump <input_bson_file>

It's possible also to restore a database from a dump file with:

mongorestore --db <database_name> <path_to_backup>