since name of constrauint is in mixed cased
u must double quote it in command. below will work.
psql> alter table mytable drop constraint "RI_ConstraintTrigger_17195" restrict ;
> I wanted to change a foreign key to be deferrable (db version 7.2.1). During table creation I
> didn't specify a constraint name for the foreign key.
> "\d" shows a trigger RI_ConstraintTrigger_17195, however when I'm trying to "alter table
> mytable drop constraint RI_ConstraintTrigger_17195 restrict" I'm getting the error "constraint
> does not exist.
> What am I doing wrong here? Or is there another simple solution to switch foreign keys to be
> deferrable?
>
> Regards
>
> Egon
>
>
>
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