SELECT id FROM users WHERE active=1 AND about_me LIKE "%#bookmark%" ORDER BY username ASC, num_followers DESC
0.00829
SELECT id FROM users WHERE tags REGEXP "(^|\,| )#bookmark($|\,)" ORDER BY username ASC
0.01174
SELECT id FROM users WHERE active=1 AND (username LIKE "%#bookmark%" OR fullname LIKE "%#bookmark%" OR position LIKE "%#bookmark%") ORDER BY username ASC
0.01503
SELECT id FROM users WHERE active=1 AND (username="#bookmark" OR fullname="#bookmark" OR position="#bookmark") ORDER BY username ASC