Hans Forbrich wrote:
> Daniel Morgan wrote:
>
>>Frank van Bortel wrote:
>>
>>
>>>Daniel Morgan wrote:
>>>
>>>
>>>>Michael Hill wrote:
>>>>
>>>>
>>>>>I had a guy ask me about Memo Fields in Oracle.
>>>>>
>>>>>Remember Memo fields are the text files stored outside a Microsoft
>>>>>Access DB when the user creates a memo field in their DB.
>>>>>
>>>>>The question was: "Does Oracle have Memo Field".
>>>>>The answer I gave was that Oracle had a character field that goes up to
>>>>>2000 charcters nad then everything else could be stored in a blob.
>>>>>
>>>>>Did I tell him correctly?
>>>>>
>>>>>Mike
>>>>>
>>>>
>>>>Strictly speakig no because Oracle would never limit itself to a
>>>>brain-dead architecture like MS Access.
>>>>
>>>>You don't mention version but for years now VARCHAR2 fields have held
>>>>4000 bytes (not characters Mike) and CLOB fields will hold up to 4 GB.
>>>>
>>>>Either of these can be used to hold text information and either will
>>>>greatly outperform MS Access capabilities.
>>>>
>>>
>>> And asof 9iR2 4000 Characters. UTF and all.
>>
>>4000 characters even if they characters are 3 bytes each? Are you sure?
>
>
> Oracle has been very careful to discriminate betwwen 'character' and
> 'byte' in their docco. From the SQL Reference manual for 9iR2, datatype
> 'VARCHAR2' is 4000 bytes, datatype 'NVARCHAR2' is 4000 [unicode]
> characters and that means 'up to 16,000 bytes'.
That's what I thought. I didn't think you could get more than 4K bytes
into a VARCHAR2.
Thanks.
--
Daniel Morgan
http://www.outreach.washington.edu/ext/certificates/oad/oad_crs.asp
http://www.outreach.washington.edu/ext/certificates/aoa/aoa_crs.asp
damorgan_at_x.washington.edu
(replace 'x' with a 'u' to reply)
Received on Wed Jan 14 2004 - 20:32:55 CST
