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Compound key

PT 2520 Unit 3

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PT2520 Clarence Gross 1/19/12 Unit 3 The logical design is independent of any database management system. True The physical design is the logical design adapted to the constraints and features of the database management system. True You should always try to create cross relationships between parent and tables. False Naming conventions help support clarity and consistency in database design. True One to one relationships between entities are valid but rare. True Crow?s feet notation conveys more information about cardinality than arrow notation. True In a one-to-many relationship, each row on in the primary key table can be related to any number of rows in the foreign key or child table. True

PT 2520 Unit 2

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NT 2520 Unit 2 Clarence Gross 1/2/13 A requirement is something a database needs to do in order to fulfill its purpose. True You only need to include the most important stakeholders in the database discussions. True Forms are used for gathering input. True A transaction database is optimized to track transactions in real time. True Data mining uses business intelligence tools and techniques on a variety of data sources brought together in a data warehouses. True The domain is the focus of knowledge area of a database. True Interviews are good for asking open ended questions. True Open ended question are questions that don?t have fixed answers. True Questionnaires are good for asking open ended questions. False
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