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Full Description
Extend PostgreSQL using PostgreSQL server programming to create, test, debug, and optimize a range of user-defined functions in your favorite programming language
Key Features
Learn the concepts of PostgreSQL 11 with lots of real-world datasets and examples
Learn queries, data replication, and database performance
Extend the functionalities of your PostgreSQL instance to suit your organizational needs
Book DescriptionPostgreSQL is a rock-solid, scalable, and safe enterprise-level relational database. With a broad range of features and stability, it is ever increasing in popularity.This book shows you how to take advantage of PostgreSQL 11 features for server-side programming. Server-side programming enables strong data encapsulation and coherence.
The book begins with the importance of server-side programming and explains the risks of leaving all the checks outside the database. To build your capabilities further, you will learn how to write stored procedures, both functions and the new PostgreSQL 11 procedures, and create triggers to perform encapsulation and maintain data consistency.
You will also learn how to produce extensions, the easiest way to package your programs for easy and solid deployment on different PostgreSQL installations.
What you will learn
Explore data encapsulation
Write stored procedures in different languages
Interact with transactions from within a function
Get to grips with triggers and rules
Create and manage custom data types
Create extensions to package code and data
Implement background workers and Inter-Process Communication (IPC)
How to deal with foreign languages, in particular Java and Perl
Who this book is forThis book is for database administrators, data engineers, and database engineers who want to implement advanced functionalities and master complex administrative tasks with PostgreSQL 11.
Contents
Table of Contents
PostgreSQL Server-side Programming
Statement Tricks: UPSERTs, RETURNING, and CTEs
The PL/pgSQL Language
Stored Procedures
PL/Perl and PL/Java
Triggers
Rules and the Query Rewriting System
Extensions
Inter Process Communications and Background Workers
Custom Data Types
