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Oracle Demantra and RDBMS Performance FAQ/TIPS (Doc ID 1110543.1)

Last updated on DECEMBER 04, 2019

Applies to:

Oracle Demantra Demand Management - Version 7.0.1 and later
Information in this document applies to any platform.


The reader will gain additional insight into:
- Statistics / Chained Rows Quick Check.  This sql will reveal if key tables have up to date Statistics and/or if there are Chained Rows.  

- Redo Log Management
  You can greatly improve DB performance for both the engine and collaborator by reducing the redo logging when creating temporary tables.

- I/O Stats Generated by AWR

- Reordering Columns in Oracle For Performance, Rebuilding Tables by Primary Key
  The problem is that the data in a critical table (MDP_MATRIX, SALES_DATA, PROMOTION_DATA) is not physically stored in the database in Primary Key order.

- Using Materialized Views
  The Demantra Export Integration Interfaces have the option of being created as a regular View or a Materialized View. 

- Fragmentation / Chaining Elimination Techniques
   Whenever we have a performance issue we typically ask the customer to run Rebuild_Schema to reduce
   table and eliminate fragmentation.  This is a discussion that details additional methods to eliminate

Questions and Answers

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In this Document
Questions and Answers
 Statistics / Chained Rows Quick Check
 Fragmentation / Chaining Elimination Techniques
 Redo Log Management
 I/O Stats Generated by AWR
 Reordering Columns in Oracle For Performance, Rebuilding Tables by Primary Key
 Using Materialized Views

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