Mega'and/**/extractvalue(1,concat(char(126),md5(1002059835)))and' Now

: char(126) is the tilde character ( ~ ). The payload attaches this to the start of the data so that the resulting error message clearly displays the extracted value.

: Attempts to close a single-quoted string literal in the original SQL query. : char(126) is the tilde character ( ~ )

What is SQL Injection? Tutorial & Examples | Web Security Academy : char(126) is the tilde character ( ~ )

: Calculates the MD5 hash of a specific number. In security testing, this is used as a "canary"—if the database error message displays the calculated hash, the tester knows the injection was successful. : char(126) is the tilde character ( ~ )

: char(126) is the tilde character ( ~ ). The payload attaches this to the start of the data so that the resulting error message clearly displays the extracted value.

: Attempts to close a single-quoted string literal in the original SQL query.

What is SQL Injection? Tutorial & Examples | Web Security Academy

: Calculates the MD5 hash of a specific number. In security testing, this is used as a "canary"—if the database error message displays the calculated hash, the tester knows the injection was successful.