Contains a row for each partition of all the tables and most types of indexes in the database. Special index types such as Full-Text, Spatial, and XML are not included in this view. All tables and indexes in SQL Server contain at least one partition, whether or not they are explicitly partitioned.
|Column name||Data type||Description|
|partition_id||bigint||Indicates the partition ID. Is unique within a database.|
|object_id||int||Indicates the ID of the object to which this partition belongs. Every table or view is composed of at least one partition.|
|index_id||int||Indicates the ID of the index within the object to which this partition belongs.
0 = heap
1 = clustered index
2 or greater = nonclustered index
|partition_number||int||Is a 1-based partition number within the owning index or heap. For non-partitioned tables and indexes, the value of this column is 1.|
|hobt_id||bigint||Indicates the ID of the data heap or B-tree that contains the rows for this partition.|
|rows||bigint||Indicates the approximate number of rows in this partition.|
|filestream_filegroup_id||smallint||Applies to: SQL Server 2012 (11.x) through SQL Server 2017.
Indicates the ID of the FILESTREAM filegroup stored on this partition.
|data_compression||tinyint||Indicates the state of compression for each partition:
0 = NONE
1 = ROW
2 = PAGE
3 = COLUMNSTORE : Applies to: SQL Server 2012 (11.x) through SQL Server 2017
4 = COLUMNSTORE_ARCHIVE : Applies to: SQL Server 2014 (12.x) through SQL Server 2017
Note: Full text indexes will be compressed in any edition of SQL Server.
|data_compression_desc||nvarchar(60)||Indicates the state of compression for each partition. Possible values for rowstore tables are NONE, ROW, and PAGE. Possible values for columnstore tables are COLUMNSTORE and COLUMNSTORE_ARCHIVE.|
Requires membership in the public role. For more information, see Metadata Visibility Configuration.
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