Imagine that you have separate schemas in your multi-tenant data architecture and you want to know who is consuming more space. How can you do it?
Just run the following query:
SELECT SCHEMA_NAME(obj.schema_id) AS 'Schema', SUM(stats.reserved_page_count) * 8.0 / 1024 AS SizeInMB FROM sys.dm_db_partition_stats stats JOIN sys.indexes idx ON idx.object_id = stats.object_id AND idx.index_id = stats.index_id JOIN sys.objects obj ON idx.object_id = obj.object_id WHERE obj.Type = 'U' GROUP BY obj.schema_id ORDER BY SizeInMB DESC
Hope this helps.
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