Question
What is the purpose of developing an identifier for an entity? What type of high-level business rule can be stated by an ERD? Give two
What is the purpose of developing an identifier for an entity?
What type of high-level business rule can be stated by an ERD?
Give two examples.
Define what is meant by an attribute in a data model.
How should an attribute be named?
What information about an attribute should be stored in CASE repository?
What is meant by a concatenated identifier?
What are metadata?
Why are they important to system developers?
Explain the distinction between identifying and non-identifying relationships.
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Performing With Computer Applications Personal Information Manager Word Processing Desktop Publishing Spreadsheets Databases Presentations Assessment Manager
Authors: Iris Blanc
3rd Edition
141886515X, 978-1418865153
