April 2026
Intermediate
491 pages
18h 4m
English
Content preview from Software Architecture and Design
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7.6 Database per Service Pattern
With the database per service pattern, each service is assigned its own independent storage location. The service can only use the data from this data storage (e.g., a database).
7.6.1 Problem and Motivation
One of the main objectives when developing microservices or services for the cloud is to loosely couple them with each other. It should be possible to develop, expand, and operate the individual services as independently as possible.
However, if multiple components use the same data from a shared database, dependencies arise that inevitably link the individual components with each other. Changes to a table or its structure can lead to all dependent components being affected. This interconnectedness ...
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