Re: Dbms_metadata experts?
- From: Andrew Kerber <andrew.kerber@xxxxxxxxx>
- To: Stefan Knecht <knecht.stefan@xxxxxxxxx>
- Date: Wed, 18 Mar 2015 12:05:47 -0500
That should read dbms_redefinition, not dbms_metadata.
Sent from my iPad
> On Mar 18, 2015, at 12:03 PM, Andrew Kerber <andrew.kerber@xxxxxxxxx> wrote:
>
> Stefan - the issue is the table locking and downtime. We have to use
> dbms_metadata to minimize downtime, not due to the type of change. The tables
> involved are too large and busy to make the change using alter table in our
> small window.
>
> Sent from my iPad
>
>> On Mar 18, 2015, at 11:47 AM, Stefan Knecht <knecht.stefan@xxxxxxxxx> wrote:
>>
>> Andrew
>>
>> If that's the only change you need to do - change char() to varchar2() - you
>> won't need to bother with dbms_metadata nor dbms_redefinition:
>>
>>
>> SYS@DEV > create table t (x char(10));
>>
>> Table created.
>>
>> SYS@DEV > alter table t modify ( x varchar2(10));
>>
>> Table altered.
>>
>> Stefan
>>
>>
>>> On Wed, Mar 18, 2015 at 11:42 PM, Andrew Kerber <andrew.kerber@xxxxxxxxx>
>>> wrote:
>>> Ok. I am looking to find help with dbms_metadata. This may not be
>>> possible, but I have a bunch of tables I need to change the layout on with
>>> dbms_redefinition. I need to change all the char data types to varchar2. Is
>>> there any way to set a transformation in dbms_metadata to do that
>>> transformation as the DDL is generated for the interim table?
>>>
>>> Sent from my iPad--
>>> //www.freelists.org/webpage/oracle-l
>>
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