CICS VSAM Transparency for z/OS, Version 1.2


Handling repeating groups

A repeating field or structure is anathema in a relational database but commonplace in VSAM files.

A number of different approaches can be considered for implementation in CICS® VT:

There are obvious limitations with the first two approaches although their advantages is that the data is migrated to a single table and the migration effort is minimized. The runtime performance is also minimized because data is processed in a single I/O operation.



Concept topic


Last updated: November 9, 2012 20:43:51