Question: alter table customer ( add constraint customer_credittype_ck CHECK (credittype > 'high' , 'medium', 'low') ); Doesnt get this to work.. New to SQL, prob a
alter table customer ( add constraint customer_credittype_ck CHECK (credittype > 'high' , 'medium', 'low') );
Doesnt get this to work..
New to SQL, prob a easy question.. anyway thanks
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