As all of us know that Microsoft Azure Supporting many different database types such as Azure SQL, Azure Cosmos DB, and Azure support also MariaDB, MySQL, and PostgreSQL so it easily to migrate your current database (MariaDB, MySQL, and PostgreSQL) to Azure , in this post i will share Fundamental information about MariaDB, MySQL, and PostgreSQL on Azur

  • For more information About Azure SQL Check this Link
  • For more information About Azure Cosmos DB check this link
  • For more information About Azure Exam ( Az-103, DP-200, DP-201, DP-900, DP-300)preparations Check this link
  • For more information About other Azure Services check this link
Microsoft Azure Open Source Databases

MariaDB, MySQL, and PostgreSQL on Azure

  • Microsoft Azure Offers 3 different open source Database Platform on Azure (MySQL, MariaDB, PostgreSQL) and this 3 Database platform service comes with native high availability, automatic patching, automatic backups, and the highest level of security protection
  • Service Tiers Supported by open source Database Platform on Azure
  • Basic: Best of a light workload
  • GP (General Purpose): Best for High Workload required high IO
  • Memory-Optimized: Best for High Workload required high performance and in-memory speed.
  • Supported version for open Source database platform on Azure
  • MySQL and MariaDB on Azure Transactions on either platform are written synchronously to storage. If a node interruption occurs, the database server will automatically create a new node and subsequently attach the storage to the new node. Any transactions in flight are not committed and active connections to the database are dropped. As mentioned with Azure SQL Database, it is important to ensure that applications that connect to the database service include retry logic, also known as connection resiliency, in their database connections.
  • Database migration can be done for 3 open source database platform using Microsoft DMS Azure Database Migration Service
  • Azure SQL Database for MySQL and PostgreSQL does not have a TDE: But Microsoft provided a disk encryption method.
  • Azure PostgreSQL Deployment Model (Single Server, Flexible Server {Preview} or Hyperscale {Citus})
  • Flexible Server, a new deployment option now in preview for Azure Database for PostgreSQL and Azure Database for MySQL, offers customers enhanced choice, performance, and scale by building on a new architecture with native Linux integration “Ignite 2020 News
  • Azure PostgreSQL Hyperscale used for large-scale databases that scale-out across multiple nodes
  • Azure PostgreSQL Hyperscale Server Called Nodes and it is working together in a shared-nothing
  • And the nodes are added to the Server Group
  • Each Server group have something called a coordinator node and multiple workers nodes
  • When the APP Sends the Transaction to Azure PostgreSQL Hyperscale, it sends it to the coordinator node and the coordinator node will find the worker nodes to collect the data to the APP.
  • Azure PostgreSQL Hyperscale is sharded, this means the data in a table can be split into multiple nodes using a type of table called a distributed table.
  • During the Deployment of Azure PostgreSQL Hyperscale Microsoft allow you to create additional worker nodes along with a coordinator node
  • You can deploy Up to 20 worker nodes and in case if you need more you should communicate with the Microsoft support team
  • You can connect to Azure PostgreSQL Using SQL or pgAdmin Clint
  • More information Check Documentation: https://docs.microsoft.com/en-us/azure/postgresql/
  • Query Store Supported in Azure MySQL https://docs.microsoft.com/en-us/azure/mysql/concepts-query-store

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