edge表里有startnode和endnode两个列保存相关的node的id如果只查startnode的信息写成
select edge.id, node.*
from edge join node on edge.startnode=node.id如果要同时显示edge.id,startnode,endnode的信息要怎么写?
select edge.id, node.*
from edge join node on edge.startnode=node.id如果要同时显示edge.id,startnode,endnode的信息要怎么写?
from edge join node on edge.startnode=node.id
OR EDGE.ENDNODE=NODE.ID
from edge join node on edge.startnode=node.id
from edge join node a on edge.startnode=a.id
join node b on edge.endnode=b.id
http://topic.csdn.net/u/20090501/15/7548d251-aec2-4975-a9bf-ca09a5551ba5.html
http://topic.csdn.net/u/20100428/09/BC9E0908-F250-42A6-8765-B50A82FE186A.html
http://topic.csdn.net/u/20100626/09/f35a4763-4b59-49c3-8061-d48fdbc29561.html8、如何给分和结贴?
http://community.csdn.net/Help/HelpCenter.htm#结帖