Azure Classroom Series – 09/Jan/2021

Azure SQL Datbase types (PAAS)

• Azure SQL Database (PAAS) has three flavors
  • Elastic database pools
  • Single Database
  • Managed Instances
• Elastic database pool:
  • These are greate solution for managing multiple databases and scaling their performances according the database’s needs.
  • It means its a good fit for databases with unpredicatable usage demands
  • Creating elastic database pool steps:
  • Add the sql server firewall rule. Try connecting to database
  • Now lets add one more database to elastic pool
  • This database will not have extra cost as we are adding to existing pool
• Single Databases:
  • This is a good fit for a set of databases with predicatable performances, where the required resources of databases are predetermined
• Managed Instance:
  • Azure SQL does not offer some of the SQL Server Enterprise features
    • CLR Types
    • Extended stored procedures and table partitioning
    • Database Mirroring and failover clustering
    • Master Data services
    • Attaching a database
    • SQL Server agents
    • Resource governer etc
  • Managed is a PAAS offerings which allows you run SQL Server with all the features of Microsoft SQL Server in the Enterprise without needing to manage windows vm.
  • The main use case where this offering is used is
    • when your organization is migrating SQL Server Enterprise to run on AZure with all the SQL Server functionalities
  • Creating SQL Server Managed Instance
• The next set of actions we will be discussing in the next session where we understand pricing models
  • DTU
  • vCore Based