Toad Data Modeler 6.4

Above the Object Navigator Dropdown Menu, you can see name of entity that the index belongs to. Click the button on top right-hand corner to open the parent form (Entity Properties form).

Object Navigator Dropdown Menu

All indexes of selected entity are listed here. The box allows you to edit indexes quickly and comfortably from one place.

General Tab

Description

Caption

Logical attribute name.

Name

Physical attribute name.

Schema

Schema selection.

Unique

Select this option to set the index as unique. Via unique indexes, you can link entities together. See Select Parent Key for Relationship for more information on available linking methods.

Bitmap Index

Database dependent item (Oracle). Select this checkbox to define the index as bitmap index.

Generate

Select it to generate the index in final SQL (DDL) script. (It is selected by default.)

Note: Other options on the General tab vary according to the database platform you're using. Options specific to your database can be found in the "Databases" chapter.

Items Tab

Option

Available

A list of all attributes of the entity.

Selected

Attribute(s) that have been assigned to the index.

Notes Tab

Tab for notes on the index.

Index Properties Tab	Description
Tablespace	Select a tablespace or click the button on the right to define a new tablespace.
Indextype	Index type definition
ODCI Parameters	ODCI parameters definition

To display indexes on the Workspace

Right-click the WS, select Workspace Format | Entity tab and select the Display Indexes checkbox.

See how indexes are displayed:

Note:Even when the indexes are not displayed, you can see which attribute belongs to which index (e.g. attribute Name is assigned to indexes i_name and i_name_address - (IX1,IX2)

To delete an index

In the Entity Properties dialog select the Indexes tab, choose the index and click Delete.

Check Constraints

Models and Model Objects > Physical Data Model > Advanced Database Design > Check Constraints

Check constraints can be created in the Check Constraints tab in Entity Properties form (for multiple column check constraints) or in the Attribute Properties dialog (for single column check constraint).

To add a check constraint

In Entity Properties form, select the Check Constraints tab and click Add.

To edit a check constraint

In Entity Properties form | Check Constraints tab, double-click the selected check constraint or press Edit .

General Tab	Description
Caption	Logical check constraint name
Name	Physical check constraint name
Check Constraint Rule	Select rule or click the button on the right to define a new rule.
Generate	Select it to generate the check constraint in final SQL (DDL) script (selected by default).
SQL Tab	Write SQL script for the check constraint here. See About Templates for more information.
Notes Tab	Space for your notes on the check constraint.

Note:

To copy a check constraint, press CTRL and drag the constraint over the Check Constraints folder of a target entity in Model Explorer.
To move a check constraint, drag it over the Check Constraints folder of a target entity in Model Explorer.
To delete a check constraint, select it and click Delete in the Check Constraints tab of the Entity Properties form.

Triggers

Models and Model Objects > Physical Data Model > Advanced Database Design > Triggers

To add a trigger

In Entity Properties form, select the Triggers tab and click Add.

To edit a trigger

In Entity Properties form, Triggers tab, double-click the selected trigger or press Edit.

Example: Trigger Properties dialog (Oracle 10g db)

Option	Description
	Above the Object Navigator Box, you can see name of entity the trigger belongs to. If you click the button in top right-hand corner, the parent form will open (Entity Propertiesin this case).
General Tab	Description
Caption	Logical trigger name
Name	Physical trigger name
Schema	Schema selection box
Trigger Fire	Before, After (database dependent) - select a trigger fire.
Trigger Events	Delete, Insert, Update - select a trigger event.
Generate	Select to generate the trigger in final SQL (DDL) script (selected by default.)
Generate SQL Only	Select to generate the SQL code written in tab SQL only.
SQL Tab	Write SQL script for the trigger here. About Templates
Notes Tab	Space for your notes on the trigger.

Example: Trigger Properties dialog | SQL tab (Oracle 10g db)

Note:

To copy a trigger, press CTRL and drag the trigger over the Triggers folder of a target entity in Model Explorer.
To move a trigger, drag it over the Triggers tab (folder) of a target entity in Model Explorer.
To delete a trigger, select it and click Delete on the Triggers tab in the Entity Properties form.

Views

Models and Model Objects > Physical Data Model > Advanced Database Design > Views

Toad Data Modeler allows you to display and model views in your ER diagrams visually.

You can manage Views via:

Model menu | Model Items |Views
Model Explorer | Views folder

View properties and options are database dependent.

To create a new View

Click on the toolbar and then click the workspace.
Click on the toolbar and draw view relationships between some existing table or view and your newly created view.
Double click the view relationship line to edit it. In Alias field you can specify a new alias name for the linked table.
Double-click the view to edit it.
Define properties on General tab and other tabs.
On tab Attributes you can select columns from the linked tables. Relationship aliases and names of entities are displayed.

You can use a template on SQL tab of the view.

Note: As well as for entities and relationships, you can create shortcuts of views on the workspaces of your model. List of view shortcuts can be found in Model Explorer | in particular Workspace folder and in the Views folder | Shortcuts.

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Toad Data Modeler 6.4 - User Guide

Indexes

Check Constraints

Triggers

Views