It does. If you do a full import from a US7ASCII database into a
WE8ISO8859P1 database and you need to change the WE8ISO8859P1 database to
US7ASCII then this is the way to do it.
ALTER DATABASE CHARACTER SET internal_use us7ascii;
Make sure you know what you're doing. See Metalink Doc Id 100751.996
Yong Huang
<yong321 To: Multiple recipients of list
ORACLE-L <[EMAIL PROTECTED]>
@yahoo.com> cc:
Sent by: Subject: RE: alter database character
set (Was: RE: 'internal' role and 9i)
ml-errors
11/18/2003 12:49
PM
Please respond
to ORACLE-L
Gopal,
In case I didn't make my message clear, I wanted to know if using that
keyword
allows us to change character set from a superset to a subset (e.g. from
UTF8
to US7ASCII). The documented command ALTER DATABASE CHARACTER SET <new
charset>
is only for changing from a subset to a superset. If changing to a "lower"
character set works, what's the syntax? Personally, I can't imagine how
that's
possible.
Thanks.
Yong Huang
--- K Gopalakrishnan <[EMAIL PROTECTED]> wrote:
> <INSERT STANDARD DISCLAIMERS>
>
> Yes. You can use INTERNAL_USE keyword to convert the database character
set.
> I think there is a utility called 'csscan' character set scanner which
can
> be
> used to determine the possibility of the INTERNAL_USE conversion.
>
> <END DISCLAIMERS>
>
>
> Best Regards,
> K Gopalakrishnan
>
>
>
>
> -----Original Message-----
> Yong Huang
> Sent: Tuesday, November 18, 2003 9:00 AM
> To: Multiple recipients of list ORACLE-L
>
>
> Gopal,
>
> Are you saying with an undocumented parameter or command, I can alter
> database
> (national) character set us7ascii even if my current (national) character
> set
> is utf8?
>
> Yong Huang
>
> --- K Gopalakrishnan <[EMAIL PROTECTED]> wrote:
> > INTERNAL_USE is an keyword (to enable an undocumented feature) in ALTER
> > DATABASE
> > command. THis can be used to convert the database character set if the
> > existing
> > char set (national charset) is the superset of the db charset. You can
> just
> > run
> > the ALTER Database command to convert the db charset.
> >
> >
> >
> > Best Regards,
> > K Gopalakrishnan
> >
> >
> >
> >
> > -----Original Message-----
> > Barry Deevey
> > Sent: Tuesday, November 18, 2003 7:09 AM
> > To: Multiple recipients of list ORACLE-L
> >
> >
> > As of yet I'm unsure how the application would be affected if I rename
the
> > role - I need to do some investigation.
> >
> > I tried this in Oracle 8 and it worked fine - It just seems to be
oracle 9
> > that doesn't like it.
> >
> > I've also checked v$reserved_words and INTERNAL is not listed,
> INTERNAL_USE
> > and INTERNAL_CONVERT are. As a test I created roles for INTERNAL_USE
and
> > INTERNAL_CONVERT, hoping that it would not allow me to create them, but
it
> > did, so I then ran the grant again and it also allowed it.
> >
> > Now I'm really confused!!
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