InboxDollars: Paid over $57 Million to members to watch videos, take surveys, shop and more. They also pay up to $50/hr for mystery shopping. Print 'Failed to DELETE DUP rows from sys.Panel Payday: Earn up to $75 per survey. ' rows from sys.syscommittab that were also stored in SYSCOMMITTABLE' Where xdes_id in ( select xdes_id from _syscommittab ) Select ondisk_ct.* from sys.syscommittab as ondisk_ct Save the duplicate values into the temporary database SELECT commit_ts, xdes_id, commit_lbn, commit_csn, commit_timeįROM OpenRowset (table SYSCOMMITTABLE, db_id (), 0, 0) Copy all rows from the SYSCOMMITTABLE into the temporary database Change to the database that contains the duplicate values *Table to store the duplicate rows to be removed from the
Table to store the contents of the SYSCOMMITTABLE If exists(select 1 from sys.databases where name = 'dbChangeTrackingMetadata') If step 4 was used, revert the permissions to the default values.Ĭreate a temporary database to store the necessary rows Restart SQL Server in Multi-User mode, and then verify that backup and CHECKPOINT operations against the affected database complete successfully. Then, execute the modified Transact-SQL script. For example: sqlcmd -S PRODSERV1\MSSQLSERVER -A -E -i c:\temp\remove_duplicates.sql Use a sqlcmd command line to connect to SQL Server under the Dedicated Administrator Connection (DAC). For more information, see Start SQL Server in Single-User mode.
DUPLICATE KEYS FULL
Grant the SQL Server service per-Service SID Full Control, and then close the permissions dialog boxes. Locate the SQL Server service per-Service SID, and note the default permissions: Open the properties for mssqlsystemresource.ldf and mssqlsystemresource.mdf, and then click the Security tab. For example: C:\Program Files\Microsoft SQL Server\\MSSQL\Binn Navigate to the Bin directory that corresponds to your Instance ID. If you're running SQL Server 2014, you must grant the per-Service SID full control to the mssqlsystemresource.ldf and mssqlsystemresource.mdf files. For example, C:\temp\remove_duplicates.sql.
DUPLICATE KEYS MANUAL
For issuing a manual Checkpoint, see CHECKPOINT (Transact-SQL). Enable change tracking on the affected database and tables.įor more information about change tracking, see Enable and disable change tracking.Disable change tracking on the affected tables and database.
Disable and enable change tracking to remove duplicate rows Without removing the duplicate rows, the affected database can't complete database checkpoints, and backups may fail. To resolve the factors that cause the duplicate keys, apply one of the following fixes, as appropriate for your situation:įIX: A backup operation on a SQL Server 2008 or SQL Server 2008 R2 database fails if you enable change tracking on this databaseįIX: Backup fails in SQL Server 2008, SQL Server 2008 R2, or SQL Server 2012 if you enable change tracking on the databaseįIX: Backup operation fails in a SQL Server 2008, SQL Server 2008 R2, or SQL Server 2012 database after you enable change trackingĪlthough these fixes prevent duplicate key rows from continuing to appear, they don't automatically remove the duplicate rows. Resolve factors that cause the duplicate keys This problem occurs because of a known issue in SQL Server change tracking. Check the errorlog for more information." Cause The duplicate key value is (KeyValue).įailed to flush the commit table to disk in dbidDatabaseID due to error 2601. "Cannot insert duplicate key row in object 'sys.syscommittab' with unique index 'si_xdes_id'. These duplicate values may cause backup and checkpoint operations to fail. When you compare the in-memory SYSCOMMITTABLE and the on-disk sys.syscommittab file in Microsoft SQL Server, you may see duplicate key rows. Original product version: SQL Server 2008 and the later versions Original KB number: 3083381 Symptoms This article provides information about resolving a SQL Server Change Tracking issue that can result in duplicate rows in sys.syscommittab file.
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