August 2009
Intermediate to advanced
893 pages
26h 48m
English
Content preview from Database Systems: Concepts, Design and Applications
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Chapter 19 Dicision Support System (DSS)
State True/False
| 1. | True |
| 2. | True |
| 3. | True |
| 4. | True |
| 5. | True |
| 6. | False |
| 7. | False |
| 8. | False |
| 9. | True |
| 10. | True. |
Tick (✓) the Appropriate Answer
| 1. | (b) |
| 2. | (b) |
| 3. | (b) |
| 4. | (a) |
| 5. | (a) and (c) |
| 6. | (a) |
| 7. | (a) |
| 8. | (c) |
| 9. | (d) |
| 10. | (a) |
| 11. | (b) |
| 12. | (d). |
Fill in the Blanks
| 1. | Decision-making |
| 2. | 1940s, 1950s, research, behavioural, scientific theories, statistical process control |
| 3. | Scott-Morton, 1970s |
| 4. | RPG or data retrieval products such as Focus, Datatrieve, and NOMAD |
| 5. | (a) Data Management (Data extraction and filtering), (b) Data store, (c) End-user tool, (d) End-user presentation tool |
| 6. | (a) business, (b) business model |
| 7. | Daily business transactions, strategic business, operational |
| 8. | (a) time span, (b) granularity, (c) dimensionality. |
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.