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:
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
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.
- Specify general options, such as indicating a primary index, ordering, constraint name, and partitioning expressions on the Options tab.
- (Optional) Click the Commenttab and enter any comments that you want to associate with the object.
- (Optional) Click the Where Used tab to view where the object is used within the model.
- (Optional) Click the UDPtab to work with user-defined properties for the object.
- (Optional) Click the Notestab to view and edit user notes.
- (Optional) Click the Extended Notes tab to view or edit user notes.
- Click Close.
The Teradata Table Index Editor closes.
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