To update WordPress wp_options table with the new blog location, use the following SQL command:

UPDATE wp_options SET option_value = replace(option_value, 'http://www.old-domain.com', 'http://www.new-domain.com') WHERE option_name = 'home'

To update wp_posts table execute the below given query

UPDATE wp_posts SET guid = replace(guid, 'http://www.olddomain.com','http://www.newdomain.com');

To fix internal links in content run the below given query

UPDATE wp_posts SET post_content = replace(post_content, 'http://www.olddomain.com', 'http://www.newdomain.com');

Say thanks in comment if it helps 🙂