Mega'and(select 1)>0waitfor/**/delay'0:0:2 Link

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.

sql server - What is this hacker trying to do? - Stack Overflow MEGA'and(select 1)>0waitfor/**/delay'0:0:2

: This is the core instruction for the database. It tells the server to pause for exactly 2 seconds before responding. This technique is called "blind" because the database