Relational database resources
Relational databases are probably the most prominent applications of a data store. Transactional consistency that implements the Atomic, Consistent, Isolated, Durable (ACID) principles offers developers a strong consistency guarantee. Nevertheless, from a scalability and performance perspective, common SQL implementations such as MSSQL or MySQL are, in most scenarios, outperformed by NoSQL databases such as Mongo and Cosmos DB. Azure SQL Database, Azure Database for MySQL, and PostgreSQL are available both as IaaS and PaaS offerings on the Azure platform.
In the PaaS resource model, the operational costs and scalability of the databases are handled through a unit called Database Transaction Unit (DTU). This unit ...
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