Creating Models › Target Servers for Physical Models › Database Property Editors › Teradata Physical Property Editors › Define Teradata Indexes
Define Teradata Indexes
You can use the Teradata Table Index or Teradata Join Index editor to create a set of new indexes on an existing table or join index in a Teradata physical model.
To define a Teradata index
- Right-click an index and select Index Properties.
The Teradata Table Index Editor opens.
- Select an index and work with the following options:
Note: Click New on the toolbar to create a new table index or 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.
- Physical Name
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Specifies the physical name of the index.
- Type
-
Shows the key group type. This is a read-only field.
- Primary index
-
Specifies that the index is the primary index. If this check box is not selected, then the index is a secondary index.
- Is Unique
-
Specifies that the fields defined in the index must be unique.
- Physical Only
-
Lets you select whether the table should be suppressed from a logical model and appear in a physical model only.
- Generate
-
Generates DDL for this object during Forward Engineering.
- Show FK Indexes
-
Specifies whether you want to display Foreign Key indexes.
- Complete the following fields on the General tab:
- Index Members
-
Specifies the columns for the table that have the index and are key group members. You can select any column to be a key group member. The columns can be sorted.
- Work with the other tabs in the editor to access additional design features such as follows:
- Specify general options, such as indicating a primary index, ordering, constraint name, and partitioning expressions on the Options tab.
- Select ordering options on the Ordering tab.
- (Optional) Click the Comment tab and enter any comments you want associated with the index.
- (Optional) Click the Where Used tab to review where the index is used in the model.
- (Optional) Click the UDP tab to work with user-defined properties for the index.
- (Optional) Click the Notes tab to view history information and view or edit user notes.
- Click Close.
The Teradata Table Index Editor closes.
More information:
Specify Options for a Teradata Index
Specify the Order of the Columns for a Teradata Index
Add a Comment in a Property Editor
Add a UDP in a Physical Property Editor
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