Query Run
use enwiki_p; select user_name from user where user_name like '%Rocking Star%'; 4 years ago
use enwiki_p; select user_name from user where lower(user_name) like... 4 years ago
use enwiki_p; -- select username from user where lower(username) like... 4 years ago
use enwiki_p; select username from user where lower(username) like '%rocking star%'; 4 years ago