On Tue, Oct 17, 2006 at 03:39:21PM +0800, Felix Zhang wrote:
> I want to split a table to 2 small tables. The 1st one contains 60%
> records which are randomly selected from the source table. How to do
> it?
i do my A/B-Group splitting usually by &1 the serial of the table.
assuming, that there are no irregularities in the process of creating
your entries, this should give a 50/50 split, which is reuseable for
future things and there never is a intersection of the two groups.
--
cu