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sys.identity_columns (Transact-SQL)

Contains a row for each column that is an identity column.

The sys.identity_columns view inherits rows from the sys.columns view. The sys.identity_columns view returns the columns in the sys.columns view, plus the seed_value, increment_value, last_value, and is_not_for_replication columns. For more information, see Catalog Views (Transact-SQL).

Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Database.

Column name

Data type

Description

<columns inherited from sys.columns>

 

The sys.identity_columns view returns all columns in the sys.columns view. It also returns the additional columns described below. For a description of the columns that the sys.identity_columns view inherits from sys.columns, see sys.columns (Transact-SQL).

seed_value

sql_variant

Seed value for this identity column. The data type of the seed value is the same as the data type of the column itself.

increment_value

sql_variant

Increment value for this identity column. The data type of the seed value is the same as the data type of the column itself.

last_value

sql_variant

Last value generated for this identity column. The data type of the seed value is the same as the data type of the column itself.

is_not_for_replication

bit

Identity column is declared NOT FOR REPLICATION.

Note Note

To create an automatically incrementing number that can be used in multiple tables or that can be called from applications without referencing any table, see Sequence Numbers.

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.

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