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Pada dasarnya actor bukanlah bagian dari use case diagram , namun untuk dapat terciptanya suatu use case diagram diperlukan beberapa actor dimana actor tersebut
DATABASE NEWS SPORTS ENTERTAINMENT HOROSCOPES PICTURES MOVIES CHAT ROOMS GAMES. DATABASE powers
• Distinguish between mandatory and optional attributes, and between volatile and nonvolatile attributes.. • Select and justify a unique identifier (UID) for
• Solve the business requirement of tracking changes in price or values by constructing a model that uses a historical entity.. • Describe the meaning
• Identify high volume entities in a data model diagram and explain their significance to the business.. • Redraw a given data model diagram to increase clarity and
GUIDELINES FOR DATABASE DESIGN AND DATABASE PROGRAMMING LESSON
creation statement, the Oracle database will create a Check Constraint in the database to enforce a value in the NOT NULL column. • This constraint creation can be almost invisible
• It would be a shame to have spent a year studying database modeling and database programming without really creating a database application.. • In this lesson, you will have
