sql - equivalent of if exists in isqlplus? -


i'm new sql , trying find out if there way in isqlplus? i'm trying insert row values if value exists on table.

   if exists (select id sometable id = 1)    begin    insert anothertable (nbr, fname, lname) values ( 2, 'john', 'smith');    end

any appreciated.

you can add where exists in query

insert anothertable (nbr, fname, lname)  select  2, 'john', 'smith' dual exists (select id sometable id = 1)

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