SELECT id FROM users WHERE active=1 AND about_me LIKE "%#българия%" ORDER BY username ASC, num_followers DESC
0.00810
SELECT id FROM users WHERE tags REGEXP "(^|\,| )#българия($|\,)" ORDER BY username ASC
0.01300
SELECT id FROM users WHERE active=1 AND (username LIKE "%#българия%" OR fullname LIKE "%#българия%" OR position LIKE "%#българия%") ORDER BY username ASC
0.01121
SELECT id FROM users WHERE active=1 AND (username="#българия" OR fullname="#българия" OR position="#българия") ORDER BY username ASC