[root@rhel84 lib64]# ll libpq*
lrwxrwxrwx. 1 root root 10 12月 2 11:27 libpq -> libpq.so.5
lrwxrwxrwx. 1 root root 13 6月 1 2021 libpq.so.5 -> libpq.so.5.13
-rwxr-xr-x. 1 root root 336888 6月 1 2021 libpq.so.5.13
lrwxrwxrwx. 1 root root 14 12月 2 10:24 libpqxx -> libpqxx-7.7.so
-rwxr-xr-x. 1 root root 550496 9月 16 10:12 libpqxx-7.7.so