链接

https://www.cnblogs.com/Eason-S/p/5658212.html

https://www.cnblogs.com/oracleDBA/archive/2010/05/22/1741642.html

http://www.cnblogs.com/loleina/p/5316094.html

ttps://www.cnblogs.com/loleina/p/5489445.html

http://blog.csdn.net/tulituqi/article/details/10124559

https://www.cnblogs.com/loleina/p/5489309.html

https://www.cnblogs.com/zhangyasong/p/6929749.html

 

http://blog.csdn.net/sinat_38259539/article/details/71799078