To initialize data

To initialize a field

In the Layout view, click the field you want to initialize.
Click Edit > IMS DB Editor > Initialize Field.
An alphanumeric field initializes to spaces. A numeric field initializes to zeros.

Note: Where the segment occurrence uses a conditional segment layout, you cannot initialize any test fields associated with that layout.

To initialize an unformatted segment occurrence or to initialize a formatted segment occurrence without changing its layout

On the tree view, select a segment occurrence to initialize.
Click Edit > IMS DB Editor > Initialize Segment.

Note: If the segment occurrence being initialized uses a conditional segment layout, test fields associated with that conditional layout are not initialized.

To initialize a formatted segment occurrence and change its layout in the process

On the tree view, select a segment occurrence to initialize.
Click Edit > IMS DB Editor > Select Layout and Initialize.
Select a layout on the list; then click OK.

To initialize a formatted segment occurrence and reformat its data to use padding bytes

On the tree view, select a segment occurrence to initialize.
Click Edit > IMS DB Editor > Select Layout and Initialize.
Select Use padding byte from the list; then click OK.