Creating Models › Target Servers for Physical Models › Database Property Editors › Teradata Physical Property Editors › Define Teradata Join Indexes
Define Teradata Join Indexes
You can use the Teradata Join Index Editor to join multiple tables, replicate all or a vertical sub-set of a single table, or aggregate one or more columns of a single table or the result of a join in a Teradata physical model.
To define Teradata join indexes
- Click Join Index on the Model menu.
The Teradata Join Index Editor opens.
- Select a join index and work with the following options:
Note: Click New on the toolbar to create a new join index. Use the Enter filter text text box to filter a very large list of indexes to quickly locate the one you want to work with.
- Name
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Specifies the name of the join index.
- Database
-
Defines the database or user.
- Checksum
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Defines the level of integrity checking for disk I/O. Select from the drop-down list. Valid values are: All, Default, Low, Medium, High, and None.
- Fallback Protection
-
Specifies if fallback protection is used for the database. Select from the drop-down.
- Generate
-
Generates DDL for this object during Forward Engineering.
- Work with the other tabs in the editor to access additional design features, for example:
- Specify the tables and columns to use with the selected join index on the Select tab.
- Choose from a list of available tables to populate the Select tab, on the From tab.
- Specify properties for the where clause for a selected join index on the Where tab.
- View and change a user-defined DDL statement for a selected join index on the User Defined SQL tab.
- View SQL code for a selected join index on the SQL tab.
- Associate permissions with the selected join index on the Permission tab.
- Specify statistics options on the Statistics tab.
- (Optional) Click the Style tab to manage themes and display options for the join index.
- (Optional) Click the Icon tab and specify the icon style to use for the join index.
- (Optional) Click the Comment tab and enter any comments that you want to associate with the object.
- (Optional) Click the UDP tab to work with user-defined properties for the object.
- (Optional) Click the Notes tab to view and edit user notes.
- Click Close.
The Teradata Join Index Editor closes.
More information:
Select the Tables and Columns for the View or Join Index
Define a Teradata View Column Expression
Define User-Defined SQL Code
View SQL Code for a Physical Object
Specify Statistics Options for a Teradata Table, Hash Index, or Join Index
Add Permissions in a Property Editor
Add a Comment in a Property Editor
Add a UDP in a Physical Property Editor
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