## Method cmd

### Use

cmd is a method of the class DBM.

With this method you send a DBM command to the DBM server (see Database Manager CLI, Overview of all DBM Commands).

### Features

cmd (cmd_string)

cmd_string | DBM command

Result:

● Successful execution: result of the DBM command

● Error: exception of the class DBMServError

### Example

● You query the operational state of the database instance with the DBM command db_state:

result = session.cmd ('db_state')

print repr (result)

'State\nOFFLINE\n'

● You enter an invalid DBM command:

result = session.cmd ('invalid command')

print repr (result)

Traceback (most recent call last):

[...]

dbm.DBMServError: [-24977] Unknown DBM command "invalid"

● Executing a DBM Command