How do I manage the identity column in replication?

How do I manage the identity column in replication?

If you are using an identity column for the primary key, you should also declare it as “NOT FOR REPLICATION”. This tells replication that when it inserts a record into the subscriber, do not generate a brand new identity value (similar to using SET INDENTITY_INSERT ON/OFF).

What is not for replication identity column?

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.

What is not for replication?

“Not for Replication” is a property which can be set for different objects like Check constraints, Foreign Key constraints, Triggers , Identity columns etc while using SQL Server Replication.

What is Replication ID?

A Replication ID makes a terrible choice as a primary key. Access provides the Replication ID data type to uniquely identify records in a replicated database. A Replication ID (which is actually a GUID, or globally unique ID) is guaranteed to be unique in the universe.

What is not for replication in trigger?

Check the Not For Replication box to enable the property on triggers and run it. With this setting enabled, triggers are not fired when the replication agent does insert, update or delete operations on table when this option is enabled on a trigger.

What is replication agent?

The Replication Distribution Agent is an executable that moves the snapshot (for snapshot replication and transactional replication) and the transactions held in the distribution database tables (for transactional replication) to the destination tables at the Subscribers.

What does not for replication do on identity column?

Replication sets the NOT FOR REPLICATION option on the identity column at the Subscriber, so that only user inserts cause the value to be incremented at the Subscriber. Note. Subscribers must synchronize with the Publisher to receive new ranges.

Can you add an identity column to a published table?

Replication handles identity columns across all publication and subscription types, allowing you to manage the columns manually or have replication manage them automatically. Adding an identity column to a published table is not supported, because it can result in non-convergence when the column is replicated to the Subscriber.

Where is the not for replication option in SQL Server?

Replication sets the NOT FOR REPLICATION option on the identity column at the Subscriber. None. This option is recommended only for backwards compatibility with earlier versions of SQL Server and is available only from the stored procedure interface for transactional publications.

How are identity ranges managed in Merge Replication?

Merge Replication Identity ranges are managed by the Publisher and propagated to Subscribers by the Merge Agent (in a republishing hierarchy, ranges are managed by the root Publisher and the republishers). The identity values are assigned from a pool at the Publisher.