boolean is not SQL datatype and it's unclear what "deterministic" means here.
Mladen Gogala wrote:
create or replace function isnumeric(str varchar2) return boolean deterministic as num number:=0; begin num:=to_number(str); return(true); exception when others then return(false); end; /
--
Mladen Gogala
Oracle DBA
-- Vladimir Begun The statements and opinions expressed here are my own and do not necessarily represent those of Oracle Corporation.
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