January 2019
Beginner
556 pages
14h 19m
English
Content preview from Learning PostgreSQL 11 - Third Edition
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Using PostgreSQL in Python Applications
A database is a storage component of a software solution. However, it does not just store information; it also ensures consistency when the data is properly modeled in relational structures. Additionally, a database can implement more complicated logic related to consistency, which goes beyond normalization, with triggers and rules. Of course, business logic can also be fulfilled by a database with functions written in PostgreSQL in PL/pgSQL or other languages supported by the DBMS. Implementation of business logic in a database is questionable from an architecture point of view, but this is outside the scope of this book.
Nevertheless, the tasks related to interaction with users or I/O cannot be performed ...
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