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How does peer to peer replication resolve conflict?

Author

Chloe Ramirez

Updated on March 21, 2026

How does peer to peer replication resolve conflict?

Peer-to-peer transactional replication lets you insert, update, or delete data at any node in a topology and have data changes propagated to the other nodes. In the event of a conflict, the topology remains in an inconsistent state until the conflict is resolved and the data is made consistent across the topology.

Also, what is peer to peer replication?

Peer to peer replication involves Multiple servers are called as (nodes). In this, each node acts as a publisher as well as a subscriber that means it receives and sends transactions to other nodes, data is synchronised across the nodes. Below is the architecture for two node peer to peer replication.

One may also ask, what is transactional replication in SQL Server? In this articleTransactional replication is a feature of Azure SQL Database and SQL Server that enables you to replicate data from a table in Azure SQL Database or a SQL Server to the tables placed on remote databases. This feature allows you to synchronize multiple tables in different databases.

Secondly, what is bidirectional transactional replication?

Bidirectional transactional replication is a specific transactional replication topology that allows two servers to exchange changes with each other: each server publishes data and then subscribes to a publication with the same data from the other server.

What is merge replication in SQL Server?

Merge replication is a method for copying and distributing data and database objects from one SQL Server database to another followed by synchronizing the databases for consistency. According to the Microsoft SQL Server TechNet, merge replication is implemented by the SQL Server Snapshot Agent and Merge Agent.

What is the difference between sharding and replication?

replication creates additional copies of the data and allows for automatic failover to another node. sharding allows for horizontal scaling of data writes by partitioning data across multiple servers using a shard key. It's important to choose a good shard key.

What is replication in server?

Database replication is the frequent electronic copying of data from a database in one computer or server to a database in another -- so that all users share the same level of information.

How does Cassandra replicate data?

Cassandra replicates rows in a column family on to multiple endpoints based on the replication strategy associated to its keyspace. The endpoints which store a row are called replicas or natural endpoints for that row. Number of replicas and their location are determined by replication factor and replication strategy.

What is difference between snapshot and transactional replication?

Snapshot replication works slightly differently than transactional replication. A snapshot is bit slower than transactional because on each attempt it moves multiple records, perhaps millions of records, from one end (the publisher) to the other end(the subscriber).

What is database mirroring and replication?

Mirroring is the copying of data or database to a different location. While replication is the creation of data and database objects to increase the distribution actions.

How does transactional replication work?

In transactional replication, each committed transaction is replicated to the subscriber as it occurs. Once the initial snapshot has been copied, transactional replication uses the Log Reader agent to read the Transaction Log of the published database and stores new transactions in the DISTRIBUTION Database.

How do I replicate two SQL databases?

Configure the publisher for transactional replication

Connect to the publisher in SQL Server Management Studio, and then expand the server node.
Right-click SQL Server Agent and select Start.
Expand the Replication folder, right-click the Local Publications folder, and select New Publication.

What is snapshot replication?

Snapshot replication refers to a replication method between databases. During this process, data is infrequently updated at specified times by copying data changes from the original database (publisher) to a receiving database (subscriber).

How do you configure replication?

Configure Distributor

The following steps walk you through the process of creating the SQL replication Distributor: Open SSMS and connect to the SQL Server instance. In Object Explorer, browse to the replication folder, right-click the Replication folder, and click Configure Distribution.

What is the difference between replication and mirroring in SQL Server?

The prior difference between mirroring and replication is that mirroring refers to copy a database to another location whereas replication includes the copy of data and database objects from one database to another database.

Why do we need a primary key in transactional replication?

The reason is in the subscriber, rows are updated/deleted one-by-one using primary key. For example: If you delete 100 rows in the publisher using a single DELETE statement, in the subscriber 100 DELETE statements would be executed.

How do you remove replication?

To remove a replication, you must drop the subscriptions, the publications, and the distributor that is configured for the replication. You can remove the replication by running the Transact-SQL script that is generated by SQL Server Enterprise Manager or SQL Server Management Studio.

What is synchronization and replication?

Replication implies strongly that there are two or more copies of (all) the data. Synchronization implies that two or more copies of data are being kept up-to-date, but not necessarily that each copy contains all of the data (although this is typically the case for database syncing)

How can I tell if SQL Server replication is enabled?

To review the replication agents' status, choose the Agents tab in active view, and set Maintenance jobs agent type: In this case, replication agents are not active (Not running status), and to check relevance of the information displayed, look at the last refresh timestamp in the upper-right corner of the dialog.

What is data replication and what are the three replication strategies?

There are three types of data replication strategies. They are, Full replicated database. Partially replicated database. Unreplicated database.

How do you replicate a server?

How do I force replication between two domain controllers in a

Start the Microsoft Management Console (MMC) Active Directory Sites and Services snap-in.
Expand the Sites branch to show the sites.
Expand the site that contains the DCs.
Expand the servers.
Select the server you want to replicate to, and expand the server.
Double-click NTDS Settings for the server.

How do I monitor transactional replication in SQL Server?

Connect to the Publisher in Management Studio, and then expand the server node. Expand the Replication folder, and then expand the Local Publications folder. Expand the publication for the subscription you want to monitor. Right-click the subscription, and then click View Synchronization Status.

How do you resolve conflict in merge replication?

Conflicts in merge replication are resolved based on the resolver specified for each article. By default, conflicts are resolved without the need for user intervention. But conflicts can be viewed, and the outcome of the resolution can be changed, in the Microsoft Replication Conflict Viewer.

What is not for replication in SQL Server?

All about “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 in SQL Server and its types?

MS SQL Server replication is a technology for copying and synchronizing data between databases continuously or regularly at scheduled intervals. There are four MS SQL Server replication types: snapshot replication, transactional replication, peer-to-peer replication and merge replication.

Why can't I run truncate table on a published table?

Why can't I run TRUNCATE TABLE on a published table? It is not permitted because replication cannot track the changes caused by the operation: transactional replication tracks changes through the transaction log; merge replication tracks changes through DML triggers on published tables.

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How does peer to peer replication resolve conflict?