查看TempDB的剩余空间

Select

SUM (user_object_reserved_page_count)*8 as user_objects_kb,

SUM (internal_object_reserved_page_count)*8 as internal_objects_kb,

SUM (version_store_reserved_page_count)*8 as version_store_kb,

SUM (unallocated_extent_page_count)*8 as freespace_kb

From sys.dm_db_file_space_usage

Where database_id = 2

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