To add a twin segment occurrence

If browsing the database, click End Browse .
Optionally, click on the IMS Database Editor toolbar to move to the start of the database.
On the toolbar, click until you are positioned on the segment for which you want to add a twin occurrence.
Do one of the following:
- Edit the data that is already there
- From the IMS Database Editor menu, click Edit > IMS DB Editor > Initialize Segment to initialize the segment. When you do this, you can optionally choose a different segment layout than the current layout.
Edit the key field to make it unique.
Edit any other fields as required.
When you have finished editing all the fields you want to change, click to issue an ISRT DL/I call.
Your current position in the database moves to the new segment occurrence.

Note:

If you have the Update warning option checked, click Yes to enable data updates. See To configure edit warnings for more information.
You cannot add a new segment occurrence while the Browse window is open.
Before clicking , you can cancel the insert at any time by clicking Edit > IMS DB Editor > Undo Segment Edit.