Plan cache per DB

How much memory each DB is using for sql plan cache?

[sql]
/*
Description : How much memory each DB is using for sql plan cache?
Author : Theo Ekelmans
Version/Date : 1.0 2011-03-23
*/

SELECT name = DB_NAME(t.[dbid])
, plan_size_MB = CONVERT(decimal(12, 2), SUM(CAST(p.size_in_bytes AS bigint)) / 1024.0 / 1024.0)
FROM sys.dm_exec_cached_plans AS p
CROSS APPLY sys.dm_exec_sql_text(plan_handle)AS t
WHERE t.[dbid] < 32767
GROUP BY t.[dbid]
ORDER BY plan_size_MB DESC;
[/sql]