VARCHAR2 columns stored as anything other than letters

Hey guys out there.
I use Oracle Forms, but I need to know all the columns in a table (columns VARCHAR2) that have data that was not saved as uppercase. That is why I posted my question here and not in the forms. Any help would be great. The shape, that I'm looking tables and many albums and a lot of VARCHAR2 columns :-)

I looked at the description of all_tab_columns but I doubt that could give me the information I'm looking for.

Thank you

Published by: Roxyrollers on January 15, 2013 15:07

There is no data dictionary attribute that indicates if the column given tiny inside. So the only option would be to check each column.

Of course, you could write a bit of dynamic SQL to do this

DECLARE
  l_sql_stmt varchar2(32000);
  l_cnt pls_integer;
BEGIN
  FOR x IN (SELECT * FROM all_tab_columns WHERE data_type = 'VARCHAR2')
  LOOP
    l_sql_stmt := 'SELECT COUNT(*) FROM ' || x.owner || '.' || x.table_name || ' WHERE ' || x.column_name || ' != upper(' || x.column_name || ')';
    EXECUTE IMMEDIATE l_sql_stmt INTO l_cnt;
    IF( l_cnt > 0 )
    THEN
      <>
    END IF;
  END LOOP;
END;

This is going to be rather ineffective, however, particularly if the tables are large.

Justin

Tags: Database

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