ER/Studio - Embarcadero Technologies Product Documentation

USING ER/STUDIO > DEVELOPING THE PHYSICAL MODEL
• A combination of complete, varray, and nested table types.
The following database platforms support object types:
• Oracle 8.x, 9i, 10g, and 11g
Create an Object Type
1 In the Data Model Explorer, expand the physical Main Model, right-click the Object Types node, and then click
New Object Type.
2 Complete the tabs of the Object Type Editor and then click OK to create the object type.
TIP: Once you have created the object type, you can edit it by right-clicking the object type you want
to change, and then clicking Edit Object Type.
TIP: The Object Type Editor includes find and replace functionality for working with SQL text strings.
The following describe options that require additional explanation.
Header and Body tab
Enter the SQL to create the object type. The SQL generated from each these tabs will appear in their own SQL
blocks.
Description tab
Enter or edit a description for the object type.
Attachment Bindings tab
Bind an external piece of information, or attachment to the object type. You can also remove an attachment from
an object, override an attachment binding’s default value, or change the position of a bound attachment. To
override the value of the attachment you have moved to the Selected Attachments grid, double-click the Value
field of the target attachment. ER/Studio opens the Value Override Editor or a list depending on the attachment
datatype. Attachments are created in the Attachments folder of the Data Dictionary. For more information, see
Attaching External Documents to the Data Model.
Creating and Editing Rollback Segments
Rollback Segments allow you to undo, or rollback, DML transactions such as SQL deletes, inserts, and updates that
have been executed on a database. A rollback segment entry contains information about the database records before
they were modified by a transaction.
The following database platforms support rollback segments:
• Oracle 7.x, 8.x, 9i, 10g, and 11g
Create or Edit a Rollback Segment
1 In the Data Model Explorer, expand the Physical Main Model, right-click the Rollback Segments node, and
then click New Rollback Segment.
2 Complete the Rollback Segments Wizard and then click Finish to create the Rollback Segment.
TIP: Once you have created the auxiliary table, you can edit it by right-clicking the rollback segment
you want to change, and then clicking Edit Rollback Segments.
The following describe options that require additional explanation.
EMBARCADERO TECHNOLOGIES > ER/STUDIO® 8.0.3 USER GUIDE 201