The second part of the translation of an article by Leon Starr, Software Model Engineer. The first part is right here . This part is about semantics and what makes a good model.
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: (Air Traffic Controller), ( Off Duty Controller) (On Duty Controller). , .
ID {I} |
| ||
53 | 12 1975 | A | |
67 | 28 1981 | B | |
51 | 23 1974 | C |
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ID {I, R1} |
| {R3} |
53 | 27.09.08, 15:00 | S2 |
67 | 27.09.08, 11:00 | S1 |
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ID {I} |
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53 | 12 1975 | A | |
67 | 28 1981 | B | |
51 | 23 1974 | C |
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{I} | {R2} | |
CZ1 | 12 | 53 |
CZ2 | 4 | 53 |
CZ3 | 6 | 67 |
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S1 | 20 | |
S2 | 45 | |
S3 |
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: @Sterhel