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magik-demo:user:school-example
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magik-demo:user:school-example [2013/08/23 10:32] alex |
magik-demo:user:school-example [2017/07/06 15:24] (current) |
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| Query Q4 returns a pupil if such a pupil learns French language. Each pupil will be returned at most once, considering ''DISTINCT'' command in the | Query Q4 returns a pupil if such a pupil learns French language. Each pupil will be returned at most once, considering ''DISTINCT'' command in the | ||
| - | ''SELECT''. In this case appearance of ''l2'' is absolute superfouls. | + | ''SELECT''. In this case appearance of ''l2'' is absolute superfouls. |
| On the other hand, query Q5 returns each | On the other hand, query Q5 returns each | ||
magik-demo/user/school-example.txt ยท Last modified: 2017/07/06 15:24 (external edit)
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