## Create user

Create administrator:
```mongo
use <database>
db.createUser(
  {
    user: "myUserAdmin",
    pwd: "abc123",
    roles: [ { role: "userAdminAnyDatabase", db: "admin" }, "readWriteAnyDatabase" ]
  }
)
```
Create database user:
```mongo
use <database>
db.createUser(
  {
    user: "myTester",
    pwd: "xyz123",
    roles: [
      { role: "readWrite", db: "test" },
      { role: "read", db: "reporting" }
    ]
  }
)
```

## Authentication:

```
mongo --port 27017 -u "myUserAdmin" -p "abc123" --authenticationDatabase "admin"
```
Authentication in mongo console:
```
use <database>
db.auth("myUserAdmin", "abc123")
```

## Manage database

Select database:
```
use <database>
```
Show mongo version:
```
db.version()
```
Show available databases:
```
show databases
```
Show selected database collections:
```
show collections
```
Show database users (console mode):
```
show users
```
Create collection:
```
db.createCollection(<name>, <options>)
```

## Querying

Get database users:
```
db.getUsers( {
   showCredentials: <Boolean>,
   filter: <document>
} )

```