以下を行ってからバグった。確かめよう。 export LD_LIBRARY_PATH=/opt/glibc-2.14/lib unix.stackexchange.com gist.github.com Index of /results/mosquito/myrepo-el6/epel-6-x86_64/glibc-2.17-55.fc20/ Index of /gnu/glibc

以下は結構便利。 SELECT * FROM Table1 t1 WHERE 2 >= ( SELECT COUNT(*) FROM Table1 t2 WHERE t1.category = t2.category AND t2.point >= t1.point ) ORDER BY category,point desc select id, category, point, name from ( select *, @rank := if (@ca…