SIMSCRIPT II.5 Programming Language

SIMSCRIPT II.5 Programming Language
Figure 4-6 illustrates a collection of MAN entities having one possible relationship to each other. The
relationships expressed in figure 4-6 are:
1. COMMUNITY owns the set MASONS whose members are MAN1, MAN3, MAN4, and MAN5.
2. MAN1 owns a set CHILDREN whose members are MAN2, MAN6, and MAN5.
3. MAN2 owns a set CHILDREN whose single member is MAN4.
These relationships are depicted in figure 4-7.
MASONS
MAN 1 CHILDREN
MAN 2 CHILDREN
COMMUNITY
F.MASONS
L.MASONS
MAN 1 MAN 2 MAN 3 MAN 4 MAN 5 MAN 6
P.MASONS
S.MASONS
F.CHILDREN
L.CHILDREN
P.CHILDREN
S.CHILDREN
Figure 4-6. Set Relationships
An entity's attributes and set relationships can be declared in one or more every statements using
attribute name clauses, set ownership clauses, and set-membership clauses. The clauses have the
form:
attribute clause
has attribute name list
or have attribute name list
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