What is distribution database in SQL Server?

Each Publisher is associated with a single database known as a “distribution database” aka the “Distributor”. The distribution database identifies and stores SQL Server replication status data, metadata about the publication, and, in some cases, acts as a queue for data moving from the Publisher to the Subscribers. 11 сент. 2018 г. A distributed SQL database is a single relational database which replicates data across multiple servers. Distributed SQL databases are strongly consistent and most support consistency across racks, data centers, and wide area networks including cloud availability zones and cloud geographic zones.

What is distributed database in SQL Server?

The distribution database stores metadata and history data for all types of replication, and transactions for transactional replication. In many cases, a single distribution database is sufficient. However, if multiple Publishers use a single Distributor, consider creating a distribution database for each Publisher.

What is a database distributor?

A distributed database is a database that consists of two or more files located in different sites either on the same network or on entirely different networks. Portions of the database are stored in multiple physical locations and processing is distributed among multiple database nodes.

What is data distribution in SQL?

Distributed SQL is a single logical database deployed across multiple physical nodes in a single data center or across many data centers if need be; all of which allow it to deliver elastic scale and bulletproof resilience.

Is distribution database a system database?

Distribution Database is a system database. It contains many objects that keep replication metadata and replicated data information. Each Publisher is linked to a single Distributor database.

What is a SQL Server distributor?

A Distributor is a SQL Server instance that contains a distribution database. The Distribution server could have other databases on it. The transaction logs of the publisher are NOT stored in the distribution database.

What is a distributed SQL database?

A distributed SQL database is made up of multiple database instances working together (i.e., nodes in a cluster), with each one storing and querying a subset of the data rather than all of it. Simply add more instances to increase storage capacity and/or query performance.

What is a distribution database in azure?

Applies to: SQL Server (all supported versions) Azure SQL Managed Instance The distribution database stores metadata and history data for all types of replication, and transactions for transactional replication. In many cases, a single distribution database is sufficient.

What is a distribution database and do I need one?

The distribution database stores metadata and history data for all types of replication, and transactions for transactional replication. In many cases, a single distribution database is sufficient. However, if multiple Publishers use a single Distributor, consider creating a distribution database for each Publisher.