OLTP: Applications where large number of users make large number

(millions) of transactions

Transaction - small, discrete, unit of work (Ex: Transfer money to your friend's

account)

Heavy writes and moderate reads

Quick processing expected

Use cases: Most traditional applications - banking, e-commerce, ..

Cloud Managed Services:

AWS: Amazon RDS (PostgreSQL/MySQL/MariaDB/Oracle/SQLServer), Amazon

Aurora

Azure: Azure SQL Database (SQL Server), Azure Database for

MySQL/PostgreSQL/MariaDB

Google Cloud: Cloud SQL (MySQL/PostgreSQL/SQL Server), Cloud Spanner