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Applies to:
SQL Server
Azure SQL Managed Instance
Azure Synapse Analytics
Analytics Platform System (PDW)
SQL analytics endpoint in Microsoft Fabric
Warehouse in Microsoft Fabric
Contains a row for each data space. This can be a filegroup, partition scheme, or FILESTREAM data filegroup.
Column name | Data type | Description |
---|---|---|
name | sysname | Name of data space, unique within the database. |
data_space_id | int | Data space ID number, unique within the database. |
type | char(2) | Data space type: FG = Filegroup FD = FILESTREAM data filegroup FX = Memory-optimized tables filegroup Applies to: SQL Server 2014 (12.x) and later. PS = Partition scheme |
type_desc | nvarchar(60) | Description of data space type: FILESTREAM_DATA_FILEGROUP MEMORY_OPTIMIZED_DATA_FILEGROUP Applies to: SQL Server 2014 (12.x) and later. PARTITION_SCHEME ROWS_FILEGROUP |
is_default | bit | 1 = This is the default data space. The default data space is used when a filegroup or partition scheme is not specified in a CREATE TABLE or CREATE INDEX statement. 0 = This is not the default data space. |
is_system | bit | Applies to: SQL Server 2012 (11.x) and later. 1 = Data space is used for full-text index fragments. 0 = Data space is not used for full-text index fragments. |
Permissions
Requires membership in the public role. For more information, see Metadata Visibility Configuration.
See Also
Data Spaces (Transact-SQL)
Catalog Views (Transact-SQL)
sys.databases (Transact-SQL)
sys.destination_data_spaces (Transact-SQL)
sys.filegroups (Transact-SQL)
sys.partition_schemes (Transact-SQL)
Querying the SQL Server System Catalog FAQ
In-Memory OLTP (In-Memory Optimization)