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SQL Optimizer for SAP ASE 3.8 - 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

Delete an Index Impact Analysis

Index Impact Analyzer > Delete an Index Impact Analysis

To delete an analysis

  1. Select the analysis.

  2. Right-click and select Delete or press Delete.

 

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Modify an Index Impact Analyzer

Index Impact Analyzer > Modify an Index Impact Analyzer

You can only modify the analysis name and description.

To modify an Analysis

  1. From the Index Impact Analyzer window, select the Analyzer you want to modify from the left pane.

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

  3. Modify the name and/or description. Click OK to save the changes.

 

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Regenerate

Index Impact Analyzer > Regenerate

The Index Impact Analyzer Scenario can be re-executed using the same indexes. You can choose to retrieve the query plans for all SQL statements in the Scenario or select specific SQL to retrieve the query plan again using the same indexes. This function is useful if changes have occurred in the database environment, such as data volume changes, that may affect query plans.

To regenerate an analysis

  1. Select the Scenario 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 again.

 

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Rename an Index Impact Analyzer

Index Impact Analyzer > Rename an Index Impact Analyzer

To rename an analysis

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

  2. Right-click and select Rename. A highlighted field is placed around the SQL name in the tree to indicate that you can edit the name. Change the name and press Enter or click any where outside the field.

Note: You can also right-click and select Modify to open the Modify Analyzer window. Modify the name. Click OK to save changes to the analysis.

 

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