{keyword}' Union - All Select Char(113)||char(122)||char(106)||char(112)||char(113)||char(70)||char(72)||char(69)||char(99)||char(109)||char(83)||char(72)||char(116)||char(121)||char(109)||char(120)||char(120)||char(80)||char(108)||char(72)||char(90)||char(8

: This is the string concatenation operator in databases like PostgreSQL or Oracle , used to join the characters together. What the characters translate to:

: This attempts to join the results of the original intended query with a new query of the attacker's choosing. : This is the string concatenation operator in

The string you provided is a classic example of a . It is designed to test for or exploit vulnerabilities in a database by "injecting" a command into a search or input field. : This is the string concatenation operator in