© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2023
B. Shaik, D. K. ChemuduruProcedural Programming with PostgreSQL PL/pgSQLhttps://doi.org/10.1007/978-1-4842-9840-4_1

1. Introduction to PL/pgSQL

Baji Shaik1   and Dinesh Kumar Chemuduru2
(1)
Texas, TX, USA
(2)
Andhra Pradesh, India
 

In this chapter, we will start with an introduction of PL/pgSQL, on what is PL/pgSQL and what are the key features of it. We will talk about some common use cases where PL/pgSQL is used. PL/pgSQL comes by default when you install the PostgreSQL server. However, we will provide the steps to install PL/pgSQL. We will explain how PL/pgSQL works with a simple flow diagram. We will show some basic examples of PL/pgSQL code blocks which ...

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