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True or False Quiz
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1

Analyzing narrative problems is one many techniques for translating business requirements into data models. The main goal when translating business requirements into data model is to create an ERD that is consistent with the narrative.
A)True
B)False
2

When analyzing a narrative of a business process, to help identify potential entity types for the data model, you should look for nouns involving people, things, places, and events as potential entity types.
A)True
B)False
3

Whenever there appears to be a lack of defining information in a narrative analysis to make a final determination in the development of a data model, the designers should use their best judgment and decide how best to complete the model.
A)True
B)False
4

Data modeling is usually an iterative or repetitive process. You construct a preliminary data model and then refine it many times.
A)True
B)False
5

A compound attribute contains multiple kinds of data. Splitting compound attributes can facilitate search of the embedded data.
A)True
B)False
6

One type of data model transformation is to add historical details to a data model. Historical details may be necessary for legal requirements as well as strategic reporting requirements.
A)True
B)False
7

If there are multiple attributes that do not apply to all instances of an entity type and there are accepted classifications of that entity type in the business domain, transforming a data model by adding a generalization hierarchy may be useful.
A)True
B)False
8

Design decisions rarely need to be documented, as the final data model should be documentation enough.
A)True
B)False
9

You should use generalization hierarchies any time an entity can exist in multiple states.
A)True
B)False
10

When transforming an ERD into a relation table design, the primary key of the child side of a 1-M relationship (the many side) will become a foreign key in the 1 side of the relationship.
A)True
B)False





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