SELECT id FROM users WHERE active=1 AND about_me LIKE "%#twittinar%" ORDER BY username ASC, num_followers DESC
0.01023
SELECT id FROM users WHERE tags REGEXP "(^|\,| )#twittinar($|\,)" ORDER BY username ASC
0.01352
SELECT id FROM users WHERE active=1 AND (username LIKE "%#twittinar%" OR fullname LIKE "%#twittinar%" OR position LIKE "%#twittinar%") ORDER BY username ASC
0.01218
SELECT id FROM users WHERE active=1 AND (username="#twittinar" OR fullname="#twittinar" OR position="#twittinar") ORDER BY username ASC