Database errors, slow admin

I tried to repair the database because the admin was very slow. It faield with the following errors and it said to post this to the forum. Has anyone had problems with this:

wp_usermeta: 2 clients are using or haven’t closed the table properly
wp_posts: 2 clients are using or haven’t closed the table properly
wp_comments: 1 client is using or hasn’t closed the table properly
wp_postmeta: 2 clients are using or haven’t closed the table properly
wp_term_relationships: 1 client is using or hasn’t closed the table properly
wp_woocommerce_termmeta: 1 client is using or hasn’t closed the table properly
wp_woocommerce_order_itemmeta: 1 client is using or hasn’t closed the table properly