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imposing check constraint on table
Tables
Classes(class, type, country, numguns, bore, displacement)
Battles(name, date)
Outcomes(ship, battle, result)
Ships(name, class, launched)
If a class of ships has more than 9 guns, then their bore must be no larger than 14 inches.
How to impose the above condition on table using check constraints
Thanks in advace
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