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sys.tables (Transact-SQL)

Returns a row for each table object, currently only with sys.objects.type = U.

Column name

Data type

Description

<inherited columns>

 

For a list of columns that this view inherits, see sys.objects (Transact-SQL)

lob_data_space_id

int

A nonzero value is the ID of the data space (filegroup or partition scheme) that holds the text, ntext, and image data for this table.

0 = The table does not contain text, ntext, or image data.

filestream_data_space_id

int

Is the data space ID for a FILESTREAM filegroup or a partition scheme that consists of FILESTREAM filegroups.

To report the name of a FILESTREAM filegroup, execute the query SELECT FILEGROUP_NAME (filestream_data_space_id) FROM sys.tables.

sys.tables can be joined to the following views on filestream_data_space_id = data_space_id.

  • sys.filegroups

  • sys.partition_schemes

  • sys.indexes

  • sys.allocation_units

  • sys.fulltext_catalogs

  • sys.data_spaces

  • sys.destination_data_spaces

  • sys.master_files

  • sys.database_files

  • backupfilegroup (join on filegroup_id)

max_column_id_used

int

Maximum column ID ever used by this table.

lock_on_bulk_load

bit

Table is locked on bulk load. For more information, see sp_tableoption (Transact-SQL).

uses_ansi_nulls

bit

Table was created with the SET ANSI_NULLS database option ON.

is_replicated

bit

1 = Table is published using snapshot replication or transactional replication.

has_replication_filter

bit

1 = Table has a replication filter.

is_merge_published

bit

1 = Table is published using merge replication.

is_sync_tran_subscribed

bit

1 = Table is subscribed using an immediate updating subscription.

has_unchecked_assembly_data

bit

1 = Table contains persisted data that depends on an assembly whose definition changed during the last ALTER ASSEMBLY. Will be reset to 0 after the next successful DBCC CHECKDB or DBCC CHECKTABLE.

text_in_row_limit

int

The maximum bytes allowed for text in row.

0 = Text in row option is not set. For more information, see sp_tableoption (Transact-SQL).

large_value_types_out_of_row

bit

1 = Large value types are stored out-of-row. For more information, see sp_tableoption (Transact-SQL).

is_tracked_by_cdc

bit

1 = Table is enabled for change data capture. For more information, see sys.sp_cdc_enable_table (Transact-SQL).

lock_escalation

tinyint

The value of the LOCK_ESCALATION option for the table:

0 = TABLE

1 = DISABLE

2 = AUTO

lock_escalation_desc

nvarchar(60)

A text description of the lock_escalation option for the table. Possible values are: TABLE, DISABLE, and AUTO.

Permissions

In SQL Server 2005 and later versions, the visibility of the metadata in catalog views is limited to securables that a user either owns or on which the user has been granted some permission. For more information, see Metadata Visibility Configuration.

Change History

Updated content

Corrected the values in the lock_escalation description.