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System Internal Views

System internal views are system views that make available low-level storage metadata for the SQL Server Database Engine.

The following table lists and describes the system internal views.

Important

These views are reserved for Microsoft SQL Server internal use only. Future compatibility is not guaranteed.

View name

Description

sys.system_internals_partitions

Contains a combination of rowset and hobt information. There is a one-to-one correspondence between rowset and hobt.

sys.system_internals_partition_columns

Contains both rowset and hobt column information. It also contains type and other information redundantly copied from the catalog of the relational engine.

sys.system_internals_allocation_units

Contains a row for each allocation unit in the current database.