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SQL Optimizer for SAP ASE 3.9.1 - User Guide

Introduction Tutorials Preferences Editor Functions SQL Information and Functions Performance Monitor SQL Inspector SQL Collector for Monitor Server SQL Scanner Index Advisor SQL Optimizer
SQL Optimizer Overview Optimization Engine Common Coding Errors in SQL Statements What Function Should l Use to Retrieve the Run Time? Unsatisfactory Performance Results SQL Optimizer Functions SQL Editor Optimized SQL Activity Log
SQL Worksheet SQL Formatter Database Explorer Code Finder Object Extractor SQL Repository Index Impact Analyzer Index Usage Analyzer Configuration Analyzer Migration Analyzer Abstract Plan Manager User-Defined Temp Tables SQL History Legal Information

Regenerate a Migration Scenario

The Scenario can be re-executed using the exact same logon and configuration parameters. You can choose to retrieve the query plans for all SQL statements in the Scenario or select specific SQL to retrieve the query plan using the same logon and configuration parameters.

The function is useful if changes have occurred in the database environment, such as data volumes, that may change the query plans.

To regenerate a Scenario

  1. Select the Scenario you want to modify from the left pane.

  2. Right-click and select Regenerate.

  3. From the Regenerate Scenario window, check the SQL statements whose current query plans you would like retrieved using the logon and parameter settings.

 

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Delete a Migration Analysis or Scenario

To delete an analysis or a Scenario

  1. Select the item you want to delete in the left pane.

  2. Right-click and select Delete or press Delete

 

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Rename a Migration Analysis or Scenario

You can rename an analysis or Scenario in the Migration Analyzer window in two ways.

To rename an Analysis or Scenario

  1. Right-click the Analysis or Scenario and select Rename. A highlighted field is placed around the name in the tree to indicate that you can edit the name.

  2. Change the name and press Enter or click any where outside the field.

or

  1. Right-click the Analysis or Scenario and select Modify to open the Modify Analyzer or Modify Scenario window.

  2. Modify the name.

  3. Click OK to save the changes.

 

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Modify a Migration Scenario

You can only modify the Scenario name and description of the Scenario. From the Migration Analyzer window:

To modify a Scenario

  1. Select the Scenario name you want to modify from the left pane.

  2. Right-click and select Modify to open the Modify Scenario window.

  3. Modify the name and/or description.

 

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