The IDEF1X equivalence of the extended E-R model subtype is the category entity,and category entities are placed in categorization clusters.
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Q5: IDEF1X category clusters may be either complete
Q7: In IDEF1X,extended E-R model 1:1 relationships are
Q9: In IDEF1X,extended E-R model 1:N relationships are
Q10: IDEF1X categories are put into a cluster.
Q11: In IDEF1X,extended E-R model ID-dependent relationships are
Q12: IDEF1X identifying connection relationships correspond to ID-dependent
Q12: IDEF1X category clusters are mutually exclusive.
Q13: IDEFIX domains are numbered sets of values.
Q14: Extended E-R model 1:1 relationships are called
Q19: Extended E-R model N:M relationships are called
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