SQL Optimizer for DB2 LUW 4.3.1 - Installation Guide

Add Index Window

The Add Index window is used to create the DDL for creating of the indexes for the Index Impact Analysis.

Item

Description

Index name

Enter a name for the index. By default, the prefix of the index name is taken from the Index Expert settings in the Options window and then a random number is generated for the rest of the index name.

Note: It is best not to change the prefix for the index. The indexes are generated as virtual indexes. If the Impact Analysis process terminates abnormally and a virtual index is left on the database, it can be easily identified as a virtual index which was created by SQL Optimizer by the prefix.

Database

Select the database where the index is to be created from the database list.

Owner

Select the owner of the index from the drop-down list.

Table

Select the table where the index is to be created from the drop-down list.

Table columns

List of all the columns from the selected table.

Index columns

Move the columns to be indexed from the Table columns list by highlighting the column and clicking image\B_AddDatabaseObjects.gif.

Unique

Specify to create a unique index.

Clustered/Nonclustered

Select to create either a clustered or a nonclustered index.

 

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