DBCC TRACEON : DBCC « System Settings « SQL Server / T-SQL Tutorial






3> CREATE TABLE bigrows
4> (
5>     a int  primary key,
6>     b varchar(1600)
7> )
8> GO
1>
2> INSERT INTO bigrows VALUES (5, REPLICATE('a', 1600))
3>
4> INSERT INTO bigrows VALUES (10, replicate('b', 1600))
5>
6> INSERT INTO bigrows VALUES (15, replicate('c', 1600))
7>
8> INSERT INTO bigrows VALUES (20, replicate('d', 1600))
9>
10> INSERT INTO bigrows VALUES (25, replicate('e', 1600))
11> GO

(1 rows affected)

(1 rows affected)

(1 rows affected)

(1 rows affected)

(1 rows affected)
1>
2> SELECT first FROM sysindexes WHERE id = OBJECT_ID ('bigrows')
3> GO
first


--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
------------------------------------------------------------------------------------------------------------------
0x830000000100



(1 rows affected)
1>
2> DBCC TRACEON(3604)
3> GO
DBCC execution completed. If DBCC printed error messages, contact your system administrator.
1>
2> --DBCC PAGE(yourDatabaseName, 1, 249, 1, 1)
3> --GO
4>
5> INSERT INTO bigrows VALUES (22, REPLICATE('x', 1600))
6> GO

(1 rows affected)
1>
2> --DBCC PAGE(yourDatabaseName, 1, 249, 1, 1)
3> --GO
4>
5> DROP TABLE bigrows
6> GO
1>
2>








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