在末尾Begin和End之间补充如下代码:
select start,end from site where distance = (select min(distance) from site where start = '2') and start='2';
运行截屏:
大功告成!
在末尾Begin和End之间补充如下代码:
select start,end from site where distance = (select min(distance) from site where start = '2') and start='2';
运行截屏: