SELECT id FROM users WHERE active=1 AND about_me LIKE "%#skypechat%" ORDER BY username ASC, num_followers DESC
0.01424
SELECT id FROM users WHERE tags REGEXP "(^|\,| )#skypechat($|\,)" ORDER BY username ASC
0.02219
SELECT id FROM users WHERE active=1 AND (username LIKE "%#skypechat%" OR fullname LIKE "%#skypechat%" OR position LIKE "%#skypechat%") ORDER BY username ASC
0.01922
SELECT id FROM users WHERE active=1 AND (username="#skypechat" OR fullname="#skypechat" OR position="#skypechat") ORDER BY username ASC