SQL Basics
Introduction
Welcome to the SQL for Beginners course! At the end of this course, you will have the tools to ...
What is a database
Databases are like large buckets that store data in an organized manner. A few examples of when...
Database concepts
Let's define a few concepts rows are referred to as records columns are referred to as fi...
Unique values
Let's assume we have the following table sales country city amount 1 ...
Conditional statements part 1
Sometimes we would like to fetch records that meet a certain condition. For example fetch...
Conditional statements part 2
Creating a query with only one condition is not sufficient. Sometimes we would like to check so...
Conditional statements part 3
Conditions are booleans. Boolean is a data type with two possible values: TRUE or FALSE. For e...