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Postgresql PL/PGSQL Functions -part 1
Rating: 4.0 out of 5(3 ratings)
30 students

Postgresql PL/PGSQL Functions -part 1

Improve your database performance with PL/PGSQL Functions
Created byMohammed N.S. Al Saadi
Last updated 1/2023
English

What you'll learn

  • Lear what are Postgresql functions and their benifets
  • Learn what are Postgresql functions and their benifets
  • How to apply each function type in a Postgresql server
  • practice with examples of all types of functions

Course content

1 section • 7 lectures • 2h 0m total length

  • Postgresql PL/PGSQL Functions introdution21:56

    General information about the Functions structure

  • function structure23:43

    Create a function structure

  • Functions Variables23:08

    Types of variables and parameters we can use with functions

  • Function Body implementation9:03

    Function body implementations and queries

  • functions RETURNS types9:46

    What are data types we can RETURNS from a function

  • Function RETURNS RECORD composite type18:14

    All implementations of RETURNS RECORD composite type with SELECT query

  • Function RETURNS RECORD composite type14:45

    Function RETURNS RECORD composite type using insert/update/delete with RETURNING

Requirements

  • knowledge of Postgresql

Description

If you are a database developer and you put performance as goal to achieve with your DB design...then using PL/PGSQL functions is your excellent tool.

In this course we will learn all about functions :

Usage benifits.

Structure & structure components.

Syntax to create a function.

And the core part of any function which is the body ... we will see with examples of which parts the body build.

We see the different kinds of implementations in the body  , starting with the variables, queries and the return results.

We see with examples the different datatypes that we can RETURNS from a function

We see the parameters that we can use to create a function .

How to deal with different types of data that we process in a function such as ARRAY and mix data types value…

How to RETURNS TABLES, RECORDS or Scalar variables.

How to use special queries such as insert ,update ,delete with returning ... or use INTO clause and how to apply FOR & FOREACH Loops

how to use PERFORM and EXECUTE

All this we will practice with live examples on a postgresql server.

P.S : THIS FUNCTIONS course in total  consist of 2 parts with more than 15 videos divided in 2 parts in compliance with UDEMY rules

Who this course is for:

  • all levels of Postgresql developers

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