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Oracle licensing compliance is important

Oracle Tips by Burleson Consulting
Don Burleson


Some Oracle licensing agreements rive Oracle Corporation the right to audit your databases to ensure that you have paid for all of the Oracle optional tools.

This might include the extra-cost Database Diagnostic Pack that covers access to AWR (Automatic Workload Repository) and ADDM (Automatic Database Diagnostic Monitor) or the extra-cost Database Tuning Pack that is required if you access the SQL Tuning Advisor PL/SQL Packages located in $ORACLE_HOME/rdbms/admin.

The Oracle documentation notes that there are some tables that do not require a license to query (as audited in the dba_feature_usage_statistics table).

"All data dictionary views beginning with the prefix DBA_HIST_ are part of this pack, along with their underlying tables.The only exception are the views: DBA_HIST_SNAPSHOT, DBA_HIST_DATABASE_INSTANCE, DBA_HIST_SNAP_ERROR, DBA_HIST_SEG_STAT, DBA_HIST_SEG_STAT_OBJ, and DBA_HIST_UNDOSTAT. They can be used without the Diagnostic Pack license."

Oracle has auditing to tell if you have been querying the Oracle10g Automated Session History views, an extra-cost option according to sources at Oracle.

Oracle has several views to tell if you have been using specific extra cost Oracle features.

  • DBA_FEATURE_USAGE_STATISTICS 

  • DBA_HIGH_WATER_MARK_STATISTICS

If we look at the source for the DBA_FEATURE_USAGE_STATISTICS view we see that it is composed from three WRI$ tables, wri$_dbu_usage_sample, wri$_dbu_feature_usage and wri$_dbu_feature_metadata.

 
select 
   samp.dbid, 
   fu.name, 
   samp.version, 
   detected_usages, 
   total_samples,
    decode(to_char(last_usage_date, 'MM/DD/YYYY, HH:MI:SS'),
         NULL, 'FALSE',
         to_char(last_sample_date, 'MM/DD/YYYY, HH:MI:SS'), 'TRUE',
         'FALSE')
    currently_used, 
   first_usage_date, 
   last_usage_date, 
   aux_count,
    feature_info, 
   last_sample_date, 
   last_sample_period,
   sample_interval, 
   mt.description
 from 
   wri$_dbu_usage_sample     samp, 
   wri$_dbu_feature_usage    fu,
   wri$_dbu_feature_metadata mt
 where
  samp.dbid    = fu.dbid and
  samp.version = fu.version and
  fu.name      = mt.name and
  fu.name not like '_DBFUS_TEST%' and  /* filter out test features */
  bitand(mt.usg_det_method, 4) != 4    /* filter out disabled features */

For more details on how Oracle tracks extra cost feature usage, see the dba_feature_usage_statistics table.


 

 

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Note: This Oracle documentation was created as a support and Oracle training reference for use by our DBA performance tuning consulting professionals.  Feel free to ask questions on our Oracle forum.

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