Space announcement This space provides the same content as before, but the organization of the home page has changed. The content is now organized based on logical branches instead of legacy book titles. We hope that the new structure will help you quickly find the content that you need.

Restrictions

The following restrictions for DEDB structural changes apply to Fast Path Online Restructure/EP:

  • Fast Path Online Restructure/EP is designed to handle database changes with a minimum outage time; it is not designed to handle application program changes. As a result, the following restrictions apply:
    • You cannot insert a segment within the hierarchical path of an existing segment.
    • You cannot remove an existing segment.
    • You cannot add or remove a key sequence field on a segment.
    • You cannot change a direct dependent segment to an SDEP or an SDEP to a direct dependent segment.
  • SDEP marker segments are not supported.

Note

If you are using expressions to modify the affected segment, you can make the following changes:

  • You can modify the length of a key sequence field.
  • You can modify a segment from fixed length to variable length or from variable length to fixed length.
  • You can modify the length of a fixed length segment.
  • For variable-length segments, you can increase the minimum length or decrease the maximum length.

For more information about using expressions, see Modifying-segment-contents-by-using-expressions.

 

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