01262015要看的blog——oracle tuning

nested loops/hash join

http://279907022.iteye.com/blog/1753430

Oracle中Hint深入理解(原创) 已阅读，再深入理解一下～

http://czmmiao.iteye.com/blog/1478465

oracle表连接之嵌套循环Nested Loops Join

http://www.devba.com/index.php/archives/5564.html

nested loops/hash join

http://blog.csdn.net/maoweiting19910402/article/details/7952314

认识优化查询中的Merge Join、Nested Loops和Hash Match

http://blog.csdn.net/yongsheng0550/article/details/5452200

Oracle中SQL语句学习五（统计分组语句group by和having）

http://blog.csdn.net/icanlove/article/details/38849595