Introduction to SQL
Explore the fundamentals of SQL as a language for storing and querying data in databases. Understand how data is structured in tables, how SQL queries retrieve information, and gain insight into SQL injection vulnerabilities. This lesson prepares you to recognize risks in database interactions and sets the stage for defensive coding practices.
We'll cover the following...
We'll cover the following...
SQL, which stands for Structured Query Language, is widely used in web applications to store and retrieve data from databases. SQL is a subtle and complex topic, so, for now, we’ll cover just enough to understand one of the most common database attacks, the SQL injection.
The examples in this chapter are written to work on MySQL, a widely used ...