January 2018
Intermediate to advanced
366 pages
9h 7m
English
Content preview from Microservice Patterns and Best Practices
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Event sourcing – data integrity
Before going directly onto the theme of event sourcing, it is necessary to understand the functioning of most standard applications.
Whenever we run the command UPDATE in the database, we perform a modification to our current representation in the database. With that, whenever we do a query on the database, we seek the current state of a record. This behavior is called state mutation. Let's use an example to make it clearer.
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