RE: how to modify an object type

["Srinivas T" <SrinivasT@xxxxxxxxxxxxxxx>]

Hi friends,

I am getting the following error after altering the type...

SQL> desc mytype
ERROR:
ORA-22335: The client cannot work with an altered type
Suggest regarding the same.....

Regards,
Srinivas

-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of steve noyle
Sent: Thursday, September 30, 2004 9:41 AM
To: oracle-l@xxxxxxxxxxxxx
Subject: how to modify an object type


hi, I would like to verify the proper way of adding an
attribute to an object type.=20

From the 9i documentation, it appears that I can just
add an attribute directly to an object from the
'create type' syntax but there were a number of notes
on metalink that advise to drop all dependent objects
and recreating the object type. The dependent tables
are huge so I cannot afford the time to drop and
recreate them.=20

Can you verify what would be the proper procedure of
adding an attribute to an object type?=20

SQL> create type mytype as object (name varchar2(50));
  2  /
Type created.

SQL> create table mytab (x number, y mytype);
=20
Table created.

SQL> create or replace type mytype as object (name
varchar2(50), address varchar2(50));
  2  /
create or replace type mytype as object (name
varchar2(50), address varchar2(50));
*
ERROR at line 1:
ORA-02303: cannot drop or replace a type with type or
table dependents

SQL>  alter type mytype add attribute (address
varchar2(50)) cascade;
=20
Type altered.
=20
SQL> desc mytype
Name                Null?    Type
------------------- -------- ---------=20
NAME                         VARCHAR2(50)
ADDRESS                      VARCHAR2(50)
=20
Also, what would be the query to list all the
dependent objects? I was not able to find it in
user_object_tables.=20

SQL> select * from user_object_tables;
=20
no rows selected

TIA

Steve


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