On Tue, 3 Mar 2009, Hannu Krosing wrote:
> Could you describe, what do they do, especially for cases of really
> unknown sizes ?
>
> One solution would be to fetch all data into a buffer and actually
> measure the longest field size.
That's not always an option. Consider the case of
PreparedStatement.getMetaData(), it must be able to return metadata
without executing the statement.
Kris Jurka