The Physical Model Is Derived From The Conceptual Model True Or False
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Mark for review 1 points. Mark for review 1 points choose all correct answers they are usually a noun.
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Section 2 quiz database design oracle section 2 quiz answer all questions in this section 1.
The physical model is derived from the conceptual model true or false. Tr ue or false. An erd is an example of a physical model. Entity and attribute names are usually nouns. Mark for review 1 points true false correct correct 12. Which of the following statements about erds is false. The physical model is derived from the conceptual model. Answer oracle design quiz section 2. A conceptual model is not concerned with how the physical model will be implemented. Which of the following statements about entities are true. A well structured erd will show only some parts of the finished data model. The physical model is derived from the conceptual model. Mark for 1 points true false correct section 2 11.
Mark for review 1 points true false incorrect. An erd is an example of a physical model. An erd is an example of a physical model. One relationship can be both mandatory and optional at different ends. They capture current and future needs. An entity relationship model is independent of the hardw. Mark for re view 1 points true false 13. Do the illustrations represent a physical model or a conceptual model. Relationship degreecardinality is important. Refer to section 2 lesson 3. False t or f. Mark for review 1 points true false 1.
Mark for review 1 points true false correct 18. Entity names are always singular. You should never try to model the entire system in one diagram no matter how small the diagram might be. The physical model is derived from the conceptual model. A ensure that information appears only once b locate information in a predictable logical place c model all information that is derivable from other information already modeled d capture all required information. An entity relationship model is independent of the hardware or software used for implementation. Section 2 quiz database design oracle. The physical model is derived from the conceptual model. Mark for review 1 points true false 15. The physical model is derived from the conceptual model. Mark for review 1 points. The physical model is derived from the conceptual model.
The atom is a complex system of interacting components and it is best described with a physical model. Mark for review 1 points true false correct correct 13. Mark for review 1 points true false 14. Mark for review 1 points true false section 3 12. An erd is an example of a physical model. They accurately describe what a physical model will contain. They model the information flow of data.
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