Database Final – chp 1 – Flashcards
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1. Data and information are essentially the same thing.
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2. Data processing can be as simple as organizing data to reveal patterns.
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3. We are now said to be entering the "knowledge age."
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4. Information implies familiarity, awareness, and understanding knowledge as it applies to an environment.
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5. Data constitute the building blocks of information.
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6. Metadata present a more complete picture of the data in the database than the data itself.
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7. The only way to access the data in a database is through the DBMS.
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8. Database programming languages receive all application requests and translate them into the complex operations required to fulfill those requests.
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9. The DBMS reveals much of the database's internal complexity to the application programs and users.
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10. One disadvantage of the DBMS is that it increases the risk of data security breaches.
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11. An operational database is sometimes referred to as an enterprise database.
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12. A data warehouse can store data derived from many sources.
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13. The same data might be simultaneously structured and unstructured depending on the intended processing.
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14. Corporations use only structured data.
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15. Historically, a manual file system was composed of a system of file folders and filing cabinets.
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16. Initially the files within a computer file system were similar to manual files.
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17. Structural dependence exists when it is possible to make changes in the file structure without affecting the application program's ability to access the data.
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18. A query language is a procedural language.
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19. One disadvantage of a database system over previous data management approaches is increased costs.
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20. One advantage of a database system over previous data management approaches is that the database system is considerably less complex.
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