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SQL Problems and solutions
S. I. Moiseenko
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Appendix 2. Exercises list page 2
Explicit join operations
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Exercise #17 (tips and solutions)
Exercise #17
UPDATE statement page 2
Exercise #151 (tips and solutions)
Exercise #151 page 4
Intersect and Except
FIRST_VALUE and LAST_VALUE functions
продать iota
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Особенности демонтажа различных типов перекрытий
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