Technical data

Figure 5–10 Bachman Diagram of a System-Owned Set Type
PART
ALL_PARTS
ZK−1488−GE
SYSTEM
5.9.1.2 Simple Sets
In simple sets, each set contains only one type of member record. Figure 5–11 is
a Bachman diagram of a simple set type where similar parts are grouped by class
code. For example, plastic parts could be member records owned by a class record
with a class code PL.
Figure 5–11 Bachman Diagram of a Simple Set Type
CLASS_PART
PART
ZK−1489−GE
CLASS
5–12 Database Programming with HP COBOL