Updated: September 16th, 2012
I've had MySQL on my Windows 7 laptop for a bit (as part of wampserver), mostly for local offline WordPress development.
However, even though MySQL is relatively stable, I've been observing a vast quantity of intermittent MySQL errors, as reported by WordPress in the PHP error log (C:\wamp\logs\php_error.log). Here are some examples:
[05-Jan-2010 09:47:51] WordPress database error Error on delete of 'C:\Windows\TEMP\#sql17e0_1a2_6.MYD' (Errcode: 13) for query SELECT t.*, tt.* FROM wp_terms AS t INNER JOIN wp_term_taxonomy AS tt ON tt.term_id = t.term_id INNER JOIN wp_term_relationships AS tr ON tr.term_taxonomy_id = tt.term_taxonomy_id WHERE tt.taxonomy IN ('category') AND tr.object_id IN (3) ORDER BY t.name ASC made by require, require_once, include, get_footer, locate_template, load_template, require_once, dynamic_sidebar, call_user_func_array, widget_rrm_recent_posts, RecentPosts->execute, ppl_expand_template,