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SQL Optimizer for DB2 LUW 4.3.1 - User Guide

SQL Optimizer for IBM® DB2® LUW
About SQL Optimizer for IBM DB2 LUW Getting Started Options SQL Scanner SQL Optimizer SQL Formatter SQL Inspector Database Explorer SQL Repository Index Impact Analyzer Index Usage Analyzer User-Defined Temp Table Editor Functions SQL Functions SQL Information and Functions Activity Log
Tutorials About us Copyright

Animate Access Plans

You can have the steps in the access plan highlighted one-by-one in the order they are executed.

To animate the plan or cancel the animation

Right-click the Access Plan pane and select Animate Plan Steps.


Copy Access Plans

You can copy the access plan to the clipboard.

To copy an access plan

Right-click the Access Plan pane and select Copy.

When the access plan is displayed as Tree Plan or Plain Language Plan, the access plan can be pasted as text or as a bitmap picture. Graphic applications, such as MS Paint, only paste the access plan as a bitmap. Text applications, such as Notepad, only paste it in a text format. Applications that handle both text and graphics, such as Microsoft Word, allow you to choose the format if you select the Paste Special option to paste the image.


DB2 Optimized Text

The DB2 Optimized Text shows the reconstructed SQL provided by DB2 and is retrieved at the same time the access plan is retrieved.


Search Functions

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)

SQL Formatter

Database Explorer

SQL Scanner

SQL Inspector

SQL Repository

Index Impact Analyzer

Index Usage Analyzer


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