Rational Programming Patterns for System z

The Table entity

A Table is a set of 'n' occurrences of a Segment and must belong to a Data Structure. A Table, described only once, can be called into any entity that uses Tables (Programs, Segments, Tables, Database Blocks). It is a set of Data Elements, grouped because they are related to the same topic. Many of its characteristics are similar to the Segment's.

-CE lines

A Table is described in the -CE lines tab of the Table editor. In a Table, different Data Elements are called: the key Data Element, the 'information' Data Elements, the Data Element specifying the subsystems, and the 'technological' Data Elements.
Restriction: The Data Elements used in the description of a Table must be defined with a usage set to 'display' (on the Definition tab of a Data Element, in the Usage field). The maximum length allowed for a Table is 999 characters, keeping in mind that the length of the data file is variable. The maximum length for a table key is 20 characters. The maximum number of Data Elements called in a Table is 40

-SS lines

The subschemas and subsystems of a Table are defined on the -SS lines tab of a Table. It is possible to define 10 subsystems and 10 subschemas per Table. The subsystems are referenced by numbers from 1 to 0 (the value '0' identifies subsystem 10). The same principle is used for the subschemas. Each subschema and subsystem must be given a clear name.

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