data-konzept

'During the last SQL Server Performance Tuning Practical Workshop, I was asked a very interesting question by an attendee. The question goes like if there is any script available which users can use and figure out if how much memory used by each of the databases. Fortunately, I was lucky that I have a script handy which exactly does the same task.

-- Memory used by each database
SELECT DB_NAME(database_id),
COUNT (1) * 8 / 1024 AS MBUsed
FROM sys.dm_os_buffer_descriptors
GROUP BY database_id
ORDER BY COUNT (*) * 8 / 1024 DESC
GO
'...

https://blog.sqlauthority.com/2018/06/09/sql-server-script-to-identify-memory-used-by-each-database/