OLTP and OLAP
Introduction In Postgres , OLTP and OLAP are two completely different database system design philosophies serving distinct purposes. Postgres itself is an extremely powerful relational database management system (RDBMS). By default, it is highly optimized for OLTP and thanks to its rich ecosystem of extensions, Postgres can also fully support OLAP workloads. Here is the detailed difference between these two concepts: OLTP Online Transaction Processing : focuses on fast, accurate and secure processing of a large number of continuous financial or operational transactions from end users. Data characteristics: Data changes constantly ( Insert, Update, Delete continuously). Query Pattern : Read/write statements acting on one or a few specific data rows (for example, finding info of a specific customer with WHERE id = 123 ). Advantages Data integrity ( ACID ): Postgres guarantees absolute transaction integrity without errors or data loss, thanks to its locking mechanisms and MVCC ...