SELECT id FROM users WHERE active=1 AND about_me LIKE "%#Facebook%" ORDER BY username ASC, num_followers DESC
0.00785
SELECT id FROM users WHERE tags REGEXP "(^|\,| )#Facebook($|\,)" ORDER BY username ASC
0.01058
SELECT id FROM users WHERE active=1 AND (username LIKE "%#Facebook%" OR fullname LIKE "%#Facebook%" OR position LIKE "%#Facebook%") ORDER BY username ASC
0.00927
SELECT id FROM users WHERE active=1 AND (username="#Facebook" OR fullname="#Facebook" OR position="#Facebook") ORDER BY username ASC