Lesson List: SQL Tutorial

Get a head start on database programming with our easy-to-follow SQL tutorials and examples. Unlock the power of SQL and improve your programming skills today.

How to use SQL CASE Expression?

How to use SQL CASE Expression?

SQL CASE expression is a powerful feature that enables you to conditionally evaluate an expression and return different results depending on the result of the evaluation. It provides a way to write a more...

How to use Sql Null function?

How to use Sql Null function?

In SQL, NULL is a special marker used to indicate that a data value does not exist in the database. The term “NULL” is used to represent a missing or unknown value. It is...

SQL Wildcards

SQL Wildcards are special characters that are used in conjunction with the LIKE operator to search for patterns in strings. The most commonly used SQL Wildcards are the percent sign (%) and the underscore...

SQL MIN() and MAX() functions

Understand how to use the SQL MIN() and MAX() functions with this step-by-step tutorial. Learn through examples and practice queries to apply these important SQL functions in your own database queries.

How to use SQL Data Types

This tutorial provides an in-depth look at the various data types in SQL, how to use them, and their advantages. Learn how to properly store and retrieve data in this comprehensive guide

SQL Injection

Learn how to protect your website from malicious SQL injection attacks with this comprehensive tutorial. Understand the basics of SQL injection, its risks and how to identify and prevent it

What is SQL?

SQL (Structured Query Language) is a programming language used for managing and manipulating relational databases. It is a standard language that is widely used by database administrators, data analysts, and developers to access, manage,...