Business procedures will also generally be lacking because they concern them-
selves mostly with processing a single transaction. Sometimes they come into
play when considering obiects that have a characteristic that cannot invade the
space of another object. This is discussed later.
SPECULATION
The most fruitful source of rules is again speculation: sitting down with the
business analysts and subject matter experts and building data rules that
should hold true over a collection of data.
Testing Data Rules
Data rules are crafted and then executed ...
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