SQL Fundamentals for beginners

Almost all applications you interact with on a daily basis involves data which are stored in databases . Applications such as Facebook, Instagram, Whatsapp, Twitter, Hospitals ,Banks etc all interacts with data stored in databases.

SQL is the language used to interact with the data inside these databases. SQL skills are always in demand due to the ever increasing use and reliance of data.

In this  beginners course, you will learn the building blocks of SQL by interacting with a PostgreSQL database. From creating a brand new table, up through organizing and aggregating data across multiple tables, you will learn the fundamental skills of SQL — and you’ll be prepared to apply them right away.

Topics include:

Installing PostgreSQL Relational Database System

Connecting to PostgreSQL Default Database

Load sample database

Creating database and tables

Using constraints

Retrieving data from database table

Updating data inside a table

Deleting data inside a database table

Filtering data returned from  a database table

Sorting data returned from a database table

Retrieving data using various operators

Combining data from multiple tables

Using aggregate functions to manipulate data.

Using subqueries