MongoDB User and Database administration commands

1. User management:

To connect to a database:

1	mongo 127.0.0.1:27017

Switch to the admin database:

1	> use admin

To create an administrator account:

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db.createUser({user: "rootUser",pwd: "rootPass",roles: [ { role: "root", db: "admin"} ]})

Log in to the database:

12	> use admin> db.auth("adminUser", "adminPass")

> Displays all accounts in the current database:

1	db.system.users.find().pretty()

Switch to the specified database:

1	> use testDB

Show users of the current database:

1	> show users

To create a user:

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db.createUser({user: "testUser",pwd: "testPass",roles: [ { role: "readWrite", db: "testdb"}] })

To delete a specified user:

1	> db.dropUser("testUser")

To exit the database connection:

1

> quit()

2. Database management:

Switch to the database you want to create:

1	> use testdb;

To create a user:

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db.createUser({user: "testUser",pwd: "testPass",roles: [ { role: "readWrite", db: "testdb"}] })

Sign in with your new account:

1	> db.auth("testUser","testPass")

Creates a new collection in the current database;

1	> db.table1.save({"id":"1"})

Displays the collection of the current database:

1	> db.table1.save({"id":"1"})

Inserts a single piece of data into the current collection:

1	> db.table1.insert({"id":"3"})

Displays all data content in the current collection:

1	> db.table1.find()

Displays the data content specified in the current collection:

1	> db.table1.findOne({"id":"3"})

Displays the database currently in use:

1

> db()

Delete the current database:

1	> db.dropDatabase()

MongoDB User and Database administration commands