Laszlo Nagy wrote:
> SQL:
>
> update product set sz_category_id=null where am_style_kw1 is not null
> and sz_category_id is not null
Hmm, this query:
select count(*) from product where am_style_kw1 is not null and
sz_category_id is not null and sz_category_id<>4809
opens in 10 seconds. The update would not finish in 2600 seconds. I
don't understand.
L
