The Generate Indexes tab on the Options window allows users to define the optimization level and other settings used to generate index-set alternatives.
The Settings include:
Intelligence
Index Options
General
View Generate Indexes tab – Intelligence button options
The Intelligence page under the Generate Indexes tab on the Options window allows you to select the optimization level for generating index-set alternatives.
Option |
Description |
---|---|
Custom |
Use the Index Options page settings to determine the optimization level as needed to generate the index-set alternatives. |
Predefine |
Set a specific optimization intelligence level here. Values on the Index Options page adjust to this level. Levels range from 0 to 10. The higher the setting, the higher the number of Index sets generated. Note: The General page settings can be adjusted independent of which intelligence level is chosen. |
View Generate Indexes tab – Options button options
The Index Options page under the Generate Indexes tab on the Options window defines how to generates index-set alternatives. If you selected Customize on the Intelligence page, these values determine the optimization level for index generation.
Index Generation Quotas |
Description |
---|---|
Index Generation Quota |
Specify the maximum number of indexes generated. |
Specify the maximum number of index sets generated. |
Quest SQL Optimizer for IBM® DB2® LUWmaximizes SQL performance by automating the manual, time-intensive and uncertain process of ensuring that SQL statements are performing as fast as possible. SQL Optimizer analyzes, rewrites, and evaluates SQL statements within multiple database objects, files, or SQL statements captured by the DB2 Event Monitor. With SQL Optimizer, you can analyze and optimize all your problem SQL from multiple sources. SQL Optimizer also provides you a complete index optimization and plan change analysis solution, from index recommendations to simulated index impact analysis, through comparison of multiple SQL access plans.
SQL Optimizer provides you with the following main modules.
SQL Optimizer (including SQL Rewrite and Generate Indexes functions)
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