Comments to be displayed in SQL*PLUS....

Hi ,
When i issue the following command in PL/SQL Developer(third-party tool) - as user SCOTT :
SQL> desc user_extents;
Name            Type              Nullable Default Comments
SEGMENT_NAME    VARCHAR2(81 BYTE) Y                Name of the segment associated with the extent
PARTITION_NAME VARCHAR2(30 BYTE) Y                Partition/Subpartition Name, if any, of the segment
SEGMENT_TYPE    VARCHAR2(18 BYTE) Y                Type of the segment
TABLESPACE_NAME VARCHAR2(30 BYTE) Y                Name of the tablespace containing the extent
EXTENT_ID       NUMBER            Y                Extent number in the segment
BYTES           NUMBER            Y                Size of the extent in bytes
BLOCKS          NUMBER            Y                Size of the extent in ORACLE blocks    Whereas when i issue the same command in SQL*PLUS....
SQL> desc user_extents;
¼íïìá                                     Null;    Ôýðïò
SEGMENT_NAME                                       VARCHAR2(81)
PARTITION_NAME                                     VARCHAR2(30)
SEGMENT_TYPE                                       VARCHAR2(18)
TABLESPACE_NAME                                    VARCHAR2(30)
EXTENT_ID                                          NUMBER
BYTES                                              NUMBER
BLOCKS                                             NUMBERHow can i get the comments in SQL*PLUS as well...?????
I use ORA10g v.2
Thanks....
Sim

Plsql developer probably issue something like this in the background:
select col.column_name,data_type,nullable,data_default,comments
from all_tab_columns col,all_col_comments com
where col.table_name=com.table_name
and col.owner=com.owner
and col.column_name=com.column_name
and col.owner='SYS'
and col.table_name = 'USER_EXTENTS'You could save similar code in script in your SQLPATH and pass the object that should be described via substitution variable.
There are really [url http://www.adp-gmbh.ch/blog/2005/september/25.html]interesting approaches on the net regarding describe customization.
Best regards
Maxim

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vissu wrote:
Hi all,
I have an issue about displaying the Taiwanese characters either in SQl*Plus or Toad tool. Able to view all territory characters properly except it. Whenever i tried to view these characters from Toad, diplay like square box('⃞'), where as it displays as question mark ('?') from SQL*Plus.
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NLS_SORT     BINARY
NLS_TIME_FORMAT     HH.MI.SSXFF AM
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NLS_TIMESTAMP_TZ_FORMAT     DD-MON-RR HH.MI.SSXFF AM TZR
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I has an immediate suspicion it might be related to the issue
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http://otn.oracle.com/support/tech/sql_plus/htdocs/sub_var2.html#2_7
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(C) Copyright 1985-2001 Microsoft Corp.
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(C) Copyright 1985-2003 Microsoft Corp.
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HI,
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