Database Errors

[Topic decapped – please do not yell here]

Please advise! I have no idea how to fix my databases. ??

wp_usermeta: 3 clients are using or haven’t closed the table properly
wp_posts: 4 clients are using or haven’t closed the table properly
wp_comments: 3 clients are using or haven’t closed the table properly
wp_options: Table is marked as crashed
wp_postmeta: 5 clients are using or haven’t closed the table properly
wp_terms: 4 clients are using or haven’t closed the table properly
wp_term_taxonomy: 4 clients are using or haven’t closed the table properly
wp_term_relationships: 4 clients are using or haven’t closed the table properly
wp_commentmeta: 3 clients are using or haven’t closed the table properly