When does replication increment the identity column value?
When replication inserts data at each Subscriber, it does not increment the identity column value in the Subscriber table; instead, the literal value 65 is inserted. Only user inserts, but not replication agent inserts cause the identity column value to be incremented.
When to change the identity value in SQL Server?
Since identity columns will always generate a new number when records are inserted, this setting allows you to ensure the values on both your publisher and subscribers stay in synch. For SQL Server 2005 and later this option can be set when designing or creating a new table as shown below in the highlighted section.
How does not for replication work in SQL Server?
The NOT FOR REPLICATION option will be applied on the identity column at the Subscriber and it restricts a new value getting created while synchronizing the row at the destination. In Automatic, replication manages the Identity range at the publisher and subscribers with the parameter of Range Threshold Percentage.
How to change SQL Server identitycolumn forreplication?
EXEC sys.sp_identitycolumnforreplication @int, 0′ In SQL Server 2000 it is not quite as simple to make this change. There is not a stored procedure like there is for SQL Server 2005 and later.
Why are identity columns important in replication topology?
Because identity columns might be included as a part of the primary key, it is important to avoid duplicate values in the identity columns. To use identity columns in a replication topology that has updates at more than one node, each node in the replication topology must use a different range of identity values, so that duplicates do not occur.
What does not for replication do in SQL Server?
The “Not For Replication” setting for identity columns allows replication to pass the ID value from the publisher to the subscriber without the subscriber creating a new ID.