January 2019
Beginner
556 pages
14h 19m
English
Content preview from Learning PostgreSQL 11 - Third Edition
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OLTP and OLAP
When a database works as a backend for an application, it implements an OLTP solution. This means that the database is supposed to perform a lot of small transactions on a regular basis. The car portal database we used as an example in previous chapters is an example of a typical OLTP data structure. The application working with this database executes a transaction each time a user does something: creates an account, modifies the password, enters a car into the system, creates or changes an advertisement, and so on. Each of these actions causes a transaction in the database that would create, change or delete a row/couple of rows in one or more tables. The more users work with the system, the more often the transactions are ...
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