SELECT id FROM users WHERE active=1 AND about_me LIKE "%#математически%" ORDER BY username ASC, num_followers DESC
0.00757
SELECT id FROM users WHERE tags REGEXP "(^|\,| )#математически($|\,)" ORDER BY username ASC
0.01050
SELECT id FROM users WHERE active=1 AND (username LIKE "%#математически%" OR fullname LIKE "%#математически%" OR position LIKE "%#математически%") ORDER BY username ASC
0.00903
SELECT id FROM users WHERE active=1 AND (username="#математически" OR fullname="#математически" OR position="#математически") ORDER BY username ASC