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SQL Problems and solutions
S. I. Moiseenko
12:25
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Common table expressions (CTE)
Exercise #7 (tips and solutions)
Exercise #11 (tips and solutions)
Exercise #7 page 3
Exercise #8
Exercise #8 (tips and solutions) page 2
Exercise #8 (tips and solutions)
Float(n)
CASE statement page 2
Using NULL value in the search conditions
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