chapter 1 - 1. The purpose of a database is to help people...

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1. The purpose of a database is to help people keep track of things. Your Answer: True Correct. 2. In a multi-user database, only one person accesses the database at a time. Your Answer: True Correct Answer: False Incorrect. 3. The typical size of a workgroup database is less than 100 megabytes. Your Answer: True Correct. 4. An organizational database is a database that typically has less than 100 concurrent users. Your Answer: True Correct Answer: False
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Incorrect. 5. A list generally has less data duplication than a database system. Your Answer: True Correct Answer: False Incorrect. 6. A problem with using a list is that data can be lost. Your Answer: True Correct. 7. A problem with using a list is that data can be inconsistent. Your Answer: True Correct. 8. A collection of data has data integrity if the data are logically consistent. Your Answer: True Correct.
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9. A database is a self-describing collection of integrated records. Your Answer: True Correct. 10. Foreign keys are used to represent relationships between tables. Your Answer: True Correct. 11. Data about the structure of a database is called metadata. Your Answer: True Correct. 12. In a relational database model, data are stored as tables. Your Answer: True Correct. 13. One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete. Your Answer: True
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Correct Answer: False Incorrect. 14. A unique identifier is called a key. Your Answer:
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This note was uploaded on 03/11/2010 for the course MIS 3400 taught by Professor N/a during the Spring '10 term at Uni. Münster.

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chapter 1 - 1. The purpose of a database is to help people...

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