SQL to find a value in a database column

Question

Hi All,
I need to write a pl/sql block to find a given value in any database column.
Is there a written function or program which I could use.
Requirement is to see which columns in which table has the value 'ABCD123' in whole database
Thanks,
S

Answer 1

NOT TESTED
declare
  seeking varchar2(30) := 'ABCD123';
begin
  create table result_table as
  select owner,table_name,column_name,cast(null as varchar2(30)) column_value
    from all_tab_cols
   where 1 = 0;
  for r in (select owner,table_name,column_name
              from all_tab_cols
             where data_type = 'VARCHAR2'
               and data_length >= length(seeking)
  loop
    execute immediate 'insert into result_table ' ||
                      'select ' || r.owner || ',' || r.table_name || ',' || r.column_name || ',''' || seeking || '''' ||
                      '  from dual ' ||
                      ' where exists(select null ' ||
                      '                from ' || r.owner || '.' || r.table_name ||
                      '               where ' || r.column_name || ' = ''' || seeking || '''' ||
  end loop;
  commit;
end;Regards
Etbin