How to get table data column by column dynamically

Hi ,
first of all
i have something like this
cursor sys_cursor is
select * from sys.all_objects;
v_data varchar2(200);
fetch sys_cursor
into v_owner, v_object_name, v_subobject_name, v_object_id, v_data_object_id, v_object_type, v_created, v_last_ddl_time, v_time_stamp, v_status, v_temporary, v_generated, v_secondary;
v_data := v_owner || ' ' || v_object_name || ' ' || v_subobject_name || ' ' ||
v_object_id || ' ' || v_data_object_id || ' ' ||
v_object_type || ' ' || v_created || ' ' || v_last_ddl_time || ' ' ||
v_time_stamp || ' ' || v_status || ' ' || v_temporary || ' ' ||
v_generated || ' ' || v_secondary;
encrypt(v_data);
it is ok for "sys.all_objects" but i need to modify this for all tables
so , i need to know column names of table and type of it and value of it
then i need to get column values by one by and encrypt it.
i used dbms_sql and succeed to find column name and type
however , i couldnt get the values.i can't use dbms_sql.column_values because i find column type dynamically.
what can i do?
how can i get table data by row
and then for each row , i need to get values of columns by one by and encrypt those values.
any idea is appriciated.
thanks
Aykut

Dynamic SQL is the solution. Right from getting the column names, their data types to passing the string to encrypt function that you have.
You will need to handle datatypes like LONG, LOB etc... as they cannot be concatenated with strings.
Also, you need to manage dates and numbers.
Obviously this would be very complicated code.
Even if you decide to code the procedure to encrypt tables one by one, still you need to make this procedure dynamic to handle above situations.

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Edited by: kolipaka on Jun 29, 2012 4:21 PM

Hi, Lakshman,
kolipaka wrote:
Hi
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