dba-oracle.com http://www.dba-oracle.com/articles.htm Oracle Articles by Burleson Consulting Find unused columns with dba_unused_col_tabs http://www.dba-oracle.com/t_dba_unused_col_tabs_columns.htm Tuning Oracle redo logs http://www.dba-oracle.com/t_redo_log_tuning.htm Tuning Oracle UNDO segments http://www.dba-oracle.com/t_undo_segment_tuning.htm Auditing Oracle SOX compliance http://www.dba-oracle.com/t_auditing_sox_compliance.htm