To use DB2, log on with a valid user ID that has the appropriate authority level for the commands you want to execute. If the system administrative group parameter (sysadm_group) is defined in the database manager configuration file, the user performing administration tasks (such as cataloging, starting and stopping the database manager, or creating the sample database) must belong to the System Administrative group. The sysadm_group parameter is not set when DB2 is first installed; therefore, the following criteria is used to determine SYSADM authority:
You can override this default case by explicitly providing a group name for the sysadm_group parameter. If you do this, the only way to assign SYSADM authority is by membership to this group.
See "Working with the System Administrative Group" for more information
See Appendix F. "Naming Rules" for a list of naming restrictions.
As well as using the local operating system security to authenticate users, there is also the option of using DCE security. Refer to the Administration Guide for information on DCE security.
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