Wikimedia Bugzilla is closed!

local-legobot@tools-login:~$ sql wikidatawiki_p
MariaDB [wikidatawiki_p]> select rc_id from recentchanges limit 1;
ERROR 1146 (42S02): Table 'wikidatawiki_p.recentchanges' doesn't exist

Compare to:
local-legobot@tools-login:~$ sql enwiki_p
MariaDB [enwiki_p]> select rc_id from recentchanges limit 1;
+-----------+
| rc_id     |
+-----------+
| 574261506 |
+-----------+
1 row in set (10.81 sec)