SQLi (sql injection)

sql injection is a technique's use by attacker for gain unauthorized access of database. the malicious sql code exucute in input parameters and compromise databases. it is code injection techniques. sql injection are performed on input like user id, password and many more input area. sqli is one of the most hacking technique.

Types of sql injection

• 1. In-band sql injection
  • error base sql injection
  • union based sql injection
• 2. Inferential (Blind) SQL injection
  • blind-bollean based sql injection
  • blind time based sql injection
• 3. Out-of-band sql injection