SQL Injection Tutorial - Part 3 Attacks and Types

Prerequisites(recommended not a must)
Database knowledge
Web Applications

SQL Injection Types
Error-Based Injection
We trick the System to return an error and hopefully some useful data.
Union-Based Injection
We use the Union command to have multiple select statements
Boolean-Based Injection
Sending SQL query to the DB making it change response based on True or false values.
Time-based Injection
Similar to Boolean-Based but with a deplay indicating a True or False value.