January 2005
Intermediate to advanced
384 pages
9h 7m
English
Content preview from Designing Effective Database SystemsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Glossary
- abstract entity
An entity that models relationships between other entities.
- ad hoc report
A report that is configured by the user after implementation of the application.
- aggregate function
A SQL function that returns summary values.
- alternate key
A candidate key of a relation that is not used as the primary key of a table.
- application
The forms and reports with which the user interacts.
- attribute
A column in a relation.
- base relation
A relation that is instantiated as a table in the database.
- binary relationship
A relationship having two participants.
- Boolean expression
An expression that results in either True or False.
- business constraint
A constraint derived from the problem space.
- business rule
An integrity constraint that originates in the problem space ...
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