X

WP MySQL Snippets

A collection of useful MySQL snippets for WordPress gathered from various posts found via Google.

Code Snippet:

# Change Siteurl & Homeurl
UPDATE wp_options SET option_value = replace(option_value, 'http://www.oldsiteurl.com', 'http://www.newsiteurl.com') WHERE option_name = 'home' OR option_name = 'siteurl';

# Change GUID
UPDATE wp_posts SET guid = REPLACE (guid, 'http://www.oldsiteurl.com', 'http://www.newsiteurl.com');

# Change URL in Content
UPDATE wp_posts SET post_content = REPLACE (post_content, 'http://www.oldsiteurl.com', 'http://www.newsiteurl.com');

# Change Image Path Only
UPDATE wp_posts SET post_content = REPLACE (post_content, 'src="http://www.oldsiteurl.com', 'src="http://yourcdn.newsiteurl.com');
UPDATE wp_posts SET  guid = REPLACE (guid, 'http://www.oldsiteurl.com', 'http://yourcdn.newsiteurl.com') WHERE post_type = 'attachment';

# Update Post Meta
UPDATE wp_postmeta SET meta_value = REPLACE (meta_value, 'http://www.oldsiteurl.com','http://www.newsiteurl.com');

# Change Default "Admin" Username
UPDATE wp_users SET user_login = 'Your New Username' WHERE user_login = 'Admin';

# Reset Password
UPDATE wp_users SET user_pass = MD5( 'new_password' ) WHERE user_login = 'your-username';

# Assign all articles by Author B to Author A
UPDATE wp_posts SET post_author = 'new-author-id' WHERE post_author = 'old-author-id';

# Delete Revision
DELETE a,b,c FROM wp_posts a LEFT JOIN wp_term_relationships b ON (a.ID = b.object_id) LEFT JOIN wp_postmeta c ON (a.ID = c.post_id) WHERE a.post_type = 'revision'

# Delete Post Meta
DELETE FROM wp_postmeta WHERE meta_key = 'your-meta-key';

# Export all Comment Emails with no Duplicate
SELECT DISTINCT comment_author_email FROM wp_comments;

# Delete all Pingbacks
DELETE FROM wp_comments WHERE comment_type = 'pingback';

# Delete all Spam Comments
DELETE FROM wp_comments WHERE comment_approved = 'spam';
#     * 0 = Comment Awaiting Moderation
#     * 1 = Approved Comment
#     * spam = Comment marked as Spam

# Identify Unused Tags
SELECT * From wp_terms wt INNER JOIN wp_term_taxonomy wtt ON wt.term_id=wtt.term_id WHERE wtt.taxonomy='post_tag' AND wtt.count=0;

Comments  Leave a Reply

Add a Comment

We're glad you have chosen to leave a comment. Please keep in mind that all comments are moderated according to our privacy policy, and all links are nofollow. Do NOT use keywords in the name field. Let's have a personal and meaningful conversation.

WordPress Launch Checklist

The Ultimate WordPress Launch Checklist

We've compiled all the essential checklist items for your next WordPress website launch into one handy ebook.
Yes, Send Me the Free eBook!