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 Class DBM 

Use

DBM is a class of the module SAP::DBTech::dbm. A single instance of this class corresponds to one connection to a DBM Server.

Class Content

The class DBM contains the following methods:

cmd (cmd_string)

rawCmd (cmd_string)

release ()

Using the Constructor

$session = new DBM ($database_server, $database_name, $dependent_path, $user_info);

Parameter

Description

$database_server

Network name of the server to which you want to connect

The system default is the local server.

$database_name

Name of the database instance to which you want to connect

This information is optional.

$dependent_path

Installation path of the database software (see also: Variables)

This information is optional.

$user_info

A string with the form <user name>,<password>

The specified user connects to the program DBM Server.

This information is optional.

 

If there are multiple installations of the database software on your server, you can use the $database_name and $dependent_path parameters to control which version of the DBM Server program is started.

Case 1 – You want to create a new database instance with the latest software installation or you want to display information about the existing database instances and software versions.

Do not specify $database_name or $dependent_path.

The system then starts the DBM Server of the software installation with the highest version number.

Case 2 – You want to administer a specific database instance.

Specify $database_name, but not $dependent_path.

The system then starts the DBM Server that matches the specified database instance.

Case 3 – You want to create a new database instance with a specific software version.

Specify $dependent_path, but not $database_name.

This system then starts the DBM Server of the specified software installation.

 

Generating a connection object $session to database TST on the current server:

$session = new DBM ('', 'TST', '', 'DBM,DBM');

 

 

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