I see message DB00915I in the Datacom Multi-User (MUF) log but I cannot find it documented. What does DB00915I mean?

Document ID : KB000044434
Last Modified Date : 14/02/2018
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Question:

I see message DB00915I in the Datacom Multi-User (MUF) log but I cannot find it documented. What does DB00915I mean?

Answer:

DB00915I CXX DBID database name DEFINITION VERSION version CHANGE LEVEL n

Reason:

This message shows the level of 3 database definitions that Datadictionary provides and stores in the Directory (CXX). The version is currently either 14.0 or 15.0 but may have other values to other versions later. Currently 15.0 is set for versions 15.0 and 15.1 because no changes occurred in 15.1. Upgrading from Version 14.0 to 15.0 (or later) releases may continue to run with definitions of the 2 Datadictionary databases and the Dynamic System Tables database at either a 14.0 level or 15.0 level or later. This allows the upgrade/downgrade with zero outage. During the upgrade from 14.0 to 15.0 (or later) the definitions remain for a time at 14.0 to allow for an easy fallback. The definitions should be done after risk of fallback has past. 

Note: While the definitions are 14.0, there are some changes in Version 15.0 that are not available.

In the message:

•‘database’ is replaced by the number of the database (likely 2, 15, or 1000)  

•‘name’ is replaced by one of: DATA-DICT, DDD-DATABASE, or CASYSTEMTABLES

•‘version’ is replaced by either 14.0 or 15.0 (currently 15.0 also represents 15.1) 

•‘n’ after LEVEL is currently 0 noting the base 14.0 or 15.0 but may later be 1 or another value

The message occurs:

•When a database is opened that is the number specified in the MUF startup option DICTIONARY as the first number for ‘datadict-dbid’. The distinguishing difference is table DOC is not present in 14.0 but is in 15.0 (and later).

•When a database is opened that is the number specified in the MUF startup option DICTIONARY as the second number for ‘ddd-dbid’. The distinguishing difference is table SCE is not present in 14.0 but is in 15.0 (and later).

•When a database is opened that is the number specified in the MUF startup option SYSTEMDBID for Dynamic System Tables. The distinguishing difference is the length of one of the tables.

•When SQL creates table DOC in a database set as MUF startup option DICTIONARY first number for ‘datadict-dbid’ and release changed from prior value.

•When SQL create table SCE in a database set as MUF startup option DICTIONARY second number for ‘ddd-dbid’ and release changed from prior value.

Action:

None.

Additional Information:

The CA Datacom® Messages guide shall be updated with the above details for DB00915I.