DB File Space Usage

Andy Mallon looks into sys.dm_db_file_space_usage:

SQL Server 2016 is coming out next month, and it’s chock full of new features that I can learn. Row-level security is interesting. Dynamic data masking sounds fun.

If you’re a regular reader of my blog, you probably know I try to approach questions from a unique angle. Instead of blogging about something cutting edge or sexy, I decided to scroll through the list of system views until I found one I didn’t recognize.

sys.dm_db_file_space_usage

The name is pretty self-explanatory, but I never noticed this existed until now. Seems like the type of DMV that I should have known about, but I didn’t. Quick look at BOL, and I got the verbose description from Microsoft:

Andy goes on to compare the outputs from this DMV to methods he’s historically used.

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