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Exam (elaborations)


The first step in system development is to document the requirements. Why? Mark for Review (1) Points Wrong. A blueprint for the database design is not needed. We can just start coding straight away. It clarifies what a business wants to accomplish, and provides measures for deciding if the system delivers all that is required. (*) It allows application development to be conducted without having to consider database design. It keeps businesses honest. Correct 2. Oracle Database Software provides which of the following functionality? (Choose two) Mark for Review (1) Points (Choose all correct answers) Graphical User Interface (*) Internet Browser Server (*) Operating System Incorrect. Refer to Section 1 Lesson 4. 3. Consider your school library. It will have a database with transaction details of which student borrows which books. Is details of the total number of books out on loan in one given month Data or Information? Mark for Review (1) Points Data Information (*) Both Neither Incorrect. Refer to Section 1 Lesson 2. 4. The main subject areas taught by the Oracle Academy are: Mark for Review (1) Points Computer Repairs Database performance tuning. Data Modeling, SQL and PL/SQL (*) Systems programming and computer architecture Correct Section 2 5. An entity is instantiated as a ? Mark for Review (1) Points Experience Instance Table (*) None of the above Correct 6. Which of the following entities most likely contains valid attributes? (Choose two) Mark for Review (1) Points (Choose all correct answers) Entity: Home. Attributes: Number of Bedrooms, Owner, Address, Date Built (*) Entity: Pet. Attributes: Name, Birthdate, Owner (*) Entity: Car. Attributes: Owner Occupation, Owner Salary, Speed Entity: Mother. Attributes: Name, Birthdate, Occupation, Salary Correct 7. Relationship names are usually verbs. True or False? Mark for Review (1) Points True (*) False Incorrect. Refer to Section 2 Lesson 2. 8. All of the following could be attributes of an ENTITY called PERSON except one. Select the incorrect one: Mark for Review (1) Points Haircolor Weight Gender

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By: Quizzguru • 2 months ago

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