: This is a logical condition that is always true. In a blind injection attack, hackers use such conditions to determine if their injected code is being executed.
This technique is called "blind" because the database doesn't return actual data or error messages to the attacker's screen. Instead, the attacker observes the of the website: The attacker sends the request. MEGA'and(select 1)>0waitfor/**/delay'0:0:2
sql server - What is this hacker trying to do? - Stack Overflow : This is a logical condition that is always true