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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

Right Pane for Analyzers

Index Impact Analyzer > Index Impact Analyzer Window > Right Pane for Analyzers

In the Index Impact Analyzer window, when an Analyzer is selected in the left pane, the following information displays in the right pane.

Properties Button

Displays general information about the analysis, information on the connection used to retrieve the query plans and the SQL statements used in the analysis.

 

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Right Pane for Scenarios Analyzed Folder

Index Impact Analyzer > Index Impact Analyzer Window > Right Pane for Scenarios Analyzed Folder

In the Index Impact Analyzer window, when the Scenarios Analyzed Folder is selected in the left pane, the following information displays in the right pane.

Summary button

Provides a summary of the Estimated I/O Cost and SQL classification for the SQL statements before and after the proposed indexes were created.

Chart button

Charts the total Estimated I/O Cost of the SQL statements with and without the proposed indexes.

 

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Right Pane for Scenario

Index Impact Analyzer > Index Impact Analyzer Window > Right Pane for Scenario

Right Pane for Scenarios

In the Index Impact Analyzer window, when the Scenario folder is selected in the left pane, the following information displays in the right pane.

Properties button

Displays general information about the analysis and the index name.

Prognosis button

Displays 3 panes in the right section of the window.

Charts and Summary tabs [Top right pane]

The Chart tab displays five charts of the comparison information for the query plans from before the analysis and during the analysis.

The Summary tab displays summarized statistics for the Scenario,

SQL Classification and Plan Change Comparisons [Middle right pane]

A grid displays the information about each query plan from before the analysis and during the analysis in a comparison format.

SQL Text and SQL Information tabs [Bottom right pane]

The SQL statement that is highlight in the middle right pane is the one that displays in this pane.

The SQL Text tab displays the text of the SQL statement.

The SQL Information tab displays two SQL Information panes, one for the SQL information before the analysis and one for the SQL Information with the parameter changes.

Create/Drop Indexes button

Displays the script for creating and dropping the index sets. Click Execute image\B_Execute.gif located at the right of the Index Impact Analyzer window to create the new index or drop the index.

 

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Right Pane for SQL Analyzed Folder

Index Impact Analyzer > Index Impact Analyzer Window > Right Pane for SQL Analyzed Folder

In the Index Impact Analyzer window, when the SQL Analyzed folder is selected in the left pane, the following information displays in the right pane.

Cost Summary button

Displays all the SQL statements and shows the Estimated I/O Cost with and without the proposed indexes.

Cost Classification button

Displays all the SQL statements and shows the SQL Classification (Simple, Complex, and Problematic) with and without the proposed indexes.

 

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