Rational Developer for System z, Version 7.6

Data Structure

Data Structures describe all sets of data processed by applications. These sets of data are represented in VA Pac by Segments or Tables.

Data Structures are logical groups of Segments, which may be:

A Data Structure is described logically, with no physical characteristics. This description may then be reused for different purposes:
Example: a given Segment may be used in a database and in the Programs accessing to the database.

Information of physical nature (such as organization, block size, description type, etc.) is added when the Data Structure is used in Programs or Database Blocks.


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