Redigera

Dela via


sys.periods (Transact-SQL)

Applies to: SQL Server 2016 (13.x) and later versions

Returns a row for each table for which periods have been defined.

Column header Data type Description
name sysname Name of the period
period_type tinyint The numeric value representing the type of period:

1 = system-time period
period_type_desc nvarchar(60) The text description of the type of column:

SYSTEM_TIME_PERIOD
object_id int The id of the table containing the period_type column
start_column_id int The id of the column that defines the lower period boundary
end_column_id int The id of the column that defines the upper period boundary

Permissions

The visibility of the metadata in catalog views is limited to securables that a user either owns, or on which the user was granted some permission. For more information, see Metadata Visibility Configuration.

See Also

System Views (Transact-SQL)
Object Catalog Views (Transact-SQL)
Catalog Views (Transact-SQL)
sys.all_columns (Transact-SQL)
sys.system_columns (Transact-SQL)
Querying the SQL Server System Catalog FAQ
Temporal Tables