Reseeding the IDENTITY Value : DBCC « System Settings « SQL Server / T-SQL Tutorial






5> CREATE TABLE MyTable (
6>  key_col int NOT NULL IDENTITY (1,1),
7>  abc     char(1) NOT NULL
8> )
9> INSERT INTO MyTable VALUES ('a')
10> INSERT INTO MyTable VALUES ('b')
11> INSERT INTO MyTable VALUES ('c')
12> SELECT * FROM MyTable ORDER BY key_col
13>
14>
15> DBCC CHECKIDENT ('MyTable' , RESEED)
16>
17> drop table MyTable
18> GO

(1 rows affected)

(1 rows affected)

(1 rows affected)
key_col     abc
----------- ---
          1 a
          2 b
          3 c

(3 rows affected)
Checking identity information: current identity value '3', current column value '3'.
DBCC execution completed. If DBCC printed error messages, contact your system administrator.








26.4.DBCC
26.4.1.Using DBCC CHECKIDENT to View and Correct IDENTITY Seed Values
26.4.2.Clearing Out Memory
26.4.3.DBCC TRACEON
26.4.4.DBCC SHOW STATISTICS (tablename, index_name)
26.4.5.dynamically building the DBCC command:
26.4.6.Displaying the Oldest Active Transaction with DBCC OPENTRAN and Viewing Lock Activity
26.4.7.Syntax for Retrieving the Current IDENTITY Value of a Table and the Correct Value
26.4.8.Reseeding the IDENTITY Value
26.4.9.Syntax for Reseeding the IDENTITY Value with a New Explicit Value
26.4.10.Flushing the Procedure Cache