SELECT id FROM users WHERE active=1 AND about_me LIKE "%#notetoself%" ORDER BY username ASC, num_followers DESC
0.01114
SELECT id FROM users WHERE tags REGEXP "(^|\,| )#notetoself($|\,)" ORDER BY username ASC
0.01516
SELECT id FROM users WHERE active=1 AND (username LIKE "%#notetoself%" OR fullname LIKE "%#notetoself%" OR position LIKE "%#notetoself%") ORDER BY username ASC
0.01316
SELECT id FROM users WHERE active=1 AND (username="#notetoself" OR fullname="#notetoself" OR position="#notetoself") ORDER BY username ASC