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They are implemented the same, but they aren't the same type. Notably, each parameterization of varchar (or char) is its own type. This can cause issues when
by colanderman 6y ago
They are implemented the same, but they aren't the same type. Notably, each parameterization of varchar (or char) is its own type. This can cause issues when trying to change the length parameter. For this reason I prefer to use TEXT with a CHECK constraint.