Database errors

When I tried to update my profile (to uncheck rich option)I got this error.

WordPress database error: [Lock wait timeout exceeded; Try restarting transaction]
UPDATE wp_users SET user_pass=’2d4dae627fa978e2564e6000000000′, user_email=’[email protected]’, user_url=’https://www.rosweed.com’, user_nicename = ‘rosweed’, display_name = ‘rosweed’ WHERE ID = ‘1’

When I tried to post, I got this error.

WordPress database error: [Lock wait timeout exceeded; Try restarting transaction]
INSERT IGNORE INTO wp_posts (post_author, post_date, post_date_gmt, post_content, post_content_filtered, post_title, post_excerpt, post_status, comment_status, ping_status, post_password, post_name, to_ping, pinged, post_modified, post_modified_gmt, post_parent, menu_order, post_mime_type) VALUES (‘1’, ‘2006-04-07 08:21:21’, ‘2006-04-07 12:21:21’, ‘test’, ”, ‘test’, ”, ‘publish’, ‘open’, ‘open’, ”, ‘test’, ”, ”, ‘2006-04-07 08:21:21’, ‘2006-04-07 12:21:21’, ‘0’, ‘0’, ”)

WordPress database error: [You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near ” at line 3]
SELECT category_id FROM wp_post2cat WHERE post_id =

WordPress database error: [You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near ‘ 2)’ at line 2]
INSERT INTO wp_post2cat (post_id, category_id) VALUES (, 2)

WordPress database error: [Lock wait timeout exceeded; Try restarting transaction]
INSERT INTO wp_postmeta (post_id,meta_key,meta_value) VALUES (”,’_pingme’,’1′)

WordPress database error: [Lock wait timeout exceeded; Try restarting transaction]
INSERT INTO wp_postmeta (post_id,meta_key,meta_value) VALUES (”,’_encloseme’,’1′)

WordPress database error: [Lock wait timeout exceeded; Try restarting transaction]
UPDATE wp_posts SET post_parent = 0 WHERE post_parent = -1144412454