Define Column Index Membership
Use the Indexes tab in the Table Column Editor to manage index membership for the selected column.
Note: Changing primary key index assignments has the following additional effects:
- The column is moved to the key area of the table if you add the column to the primary key index.
- The column is moved to the non-key area of the table if you remove the column from the primary key index.
To define column index membership
- Right-click the column in the Model Explorer for which you want to define index membership and click Properties.
The Table Column Editor opens.
- Click the Indexes tab and work with the following options:
- Index Membership
Lets you assign the selected column to an index that is attached to the current table. This field displays the primary key, alternate key, foreign key, and inversion entry indexes in which the selected column is a member. Select the check box next to an index name to assign the selected column to that index. Clear the check box next to an index name to remove the column from the index.
- Show FK Indexes
Specifies to display foreign key indexes in the Index Membership list. Clear the check box to hide foreign key indexes.
- Click Close.
Index membership is defined for the column and the Table Column Editor closes.
Copyright © 2020 erwin, Inc.
All rights reserved.
|
|