between clause in mysql shorthand >= , <=. if want make comparison of form >= , < there shorthand notation in mysql?
no, there's no builtin shorthand general case.
to >= , < range comparison, there's no getting around specifying expression twice.
it possible create user-defined function takes 3 arguments, , returns 0, 1 or null. that's database object, hides what's happening... so, don't want go there.
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