You can check the following links for more information about the topics that are covered in this chapter:
- What is the Azure SQL Database service?: https://docs.microsoft.com/en-us/azure/sql-database/sql-database-technical-overview
- Azure SQL Database service tiers: https://docs.microsoft.com/en-us/azure/sql-database/sql-database-service-tiers-general-purpose-business-critical
- Elastic pools help you manage and scale multiple Azure SQL databases: https://docs.microsoft.com/en-us/azure/sql-database/sql-database-elastic-pool
- What is Azure SQL Database managed instance?: https://docs.microsoft.com/en-us/azure/sql-database/sql-database-managed-instance