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Before you can work with the database, you must log on using a database tool or via an interface. When you log on, you identify yourself with a user name and authenticate your identity with the corresponding password (authentication). After authentication, you can, within the scope of the authorizations assigned to you, access and work with data in the database.

The database system differentiates between the following types of users:

Figure 1: Overview of the Users of the Database System

Standard Users

Table 1: SAP MaxDB Standard Users

Default User Name

Default Password






Database system administrator

Database system administrator up to and including version 7.5





First DBM operator with all DBM server authorizations

Table 2: SAP Standard Users for Databases

User Name



Database system administrator


DBM operator with all server authorizations


In older SAP systems: Database administrator (database user of class DBA)


In newer SAP systems, in particular in MCOD systems (Multiple Components One Database):

Database administrator for the SAP system with the ID <SAPSID> (database user of class DBA)


In Java EE systems:

Database administrator for the SAP system with the ID <SAPSID> (database user of class DBA)

Managing Users

When creating a database you create the database system administrator, the first DBM operator and, depending on the system, further standard users. Some naming restrictions apply as described in Conventions for User Names and Passwords.

You can use CCMS, Database Studio, Database Manager CLI or a query tool to manage users.

Simplified Logon Process Using XUSER

To simplify the logon process to databases with command line tools, you can save the logon data (user name and password, database name) in a user key using the XUSER program. The data can only be accessed by the operating system user who owns the data.

When you want to connect to the database, you only need to specify your user key.

SAP systems use XUSER for the authorization of work processes. Exception: SAP liveCache systems that use central authorization.

More information:

Where Are the Users Stored?

The database system administrator and the DBM operators are stored in the UPC (user profile container).

More information: Configuration Files

Special Operating System Users

To protect database resources from direct access using operating system commands, special operating system users and groups are available.

More information: Special Operating System Users and Groups