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SQL Optimizer for SAP ASE 3.9 - 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

Preferences Overview

Preferences > Preferences Overview

Preferences allow the alteration of the default settings used in several of the modules.

To open the Preferences window

Click image\B_Preferences.gif.

When you change the settings, your latest settings are always saved and restored each time to exit and restart the program. You can also save several sets of preference settings either by saving settings from one or more tab pages or by saving all the preference settings.

To save specific settings so that you can use them later

  1. Select the Preferences settings.

  2. Click Save.

  3. Enter a filename for the saved settings. Click Save.

  4. From the Save Preferences Profile window, select the tab pages for the setting you want to save. Click OK.

To restore the saved settings

  1. In the Preferences window, click Load.

  2. In the Open File window, select the filename.

  3. Click Open.


Optimization for Pre-ASE 15 Tab

Optimization Settings for Pre-ASE 15

Preferences > Optimization for Pre-ASE 15 Tab > Optimization Settings for Pre-ASE 15

The Optimization for Pre-ASE 15 tab on the Preferences window consists of 5 buttons that allow users to select the level of optimization intelligence and options for optimization while using the SQL Optimizer module when connected to Adaptive Server 12.5.2 or earlier.


Related Topic

Intelligence (Pre-ASE 15)

Preferences > Optimization for Pre-ASE 15 Tab > Intelligence (Pre-ASE 15)

The Intelligence page on the Optimization tab of the Preferences window allows you to select your optimization intelligence settings.

Optimization intelligence settings enables you to either choose the settings used during optimization or allows you to select the predefined "Intelligence Level" settings.


Customize the settings on the Optimization, Forces, and Quota pages.


Use the predefined optimization intelligence levels. The items selected on the Forces and Quota pages and the Temp table generation option on the Optimization page change according to the level selected. Levels range from 0 to 10. The higher the level the more intelligent the SQL Optimizer is and the more likely of finding a better SQL alternative.

The Abstract Plan settings on the Abstract Plan page and the Join table and Advanced SQL transformation options on the Optimization page is adjusted independent of the optimization intelligence level.


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