CA ERwin Model Manager Implementation Guide

Convert or Update a CA ERwin MM Mart ........................................................ 43Appendix A: Microsoft SQL and Sybase Server Tuning Recommendations 49Physical Tuning Parameters ................................................................... 49Hardware Configurations .................................................................. 49Database Placement....................................................................... 50Data Redundancy ......................................................................... 50Server-Level Tuning Parameters ............................................................... 50Named Cache Configuration ................................................................... 51Database Tuning Parameters .................................................................. 51Transaction Log ........................................................................... 51Threshold Procedures ..................................................................... 52"trunc. log on chkpt" Option ............................................................... 52Database and Log Sizing ...................................................................... 53How to Maintain an Efficient Database .......................................................... 53Nightly Maintenance Script ................................................................ 54DBCC Commands ......................................................................... 55Appendix B: Oracle Tuning Recommendations 57Recommended Disk Configurations ............................................................. 57Database Configuration ....................................................................... 58Maximum Number of Processes ............................................................ 58Shared Pool .............................................................................. 58Buffer Cache .............................................................................. 59Redo Log Files ............................................................................ 59Increase Space in Redo Logs ............................................................... 60Redo Log Buffer ........................................................................... 62Checkpoints .............................................................................. 63Turn on the Optimizer Mode ............................................................... 63Storage Parameters ........................................................................... 64Rollback Segments ........................................................................ 64Set Optimal Configuration for the Rollback Logs ............................................. 65Tablespaces .............................................................................. 67Appendix C: CA ERwin MM Performance 69Optimize Your CA ERwin MM Performance ...................................................... 69Reindex the Database ......................................................................... 70Run the Oracle DBMS Reindex Script ....................................................... 71Example: Oracle DBMS Reindex Script ...................................................... 72Example: Microsoft SQL Server DBMS Reindex Script ........................................ 73Example: Sybase DBMS Reindex Script ..................................................... 746 Implementation Guide