Oracle B-tree、位图、全文索引三大索引性能比较及优缺点汇总(转载)
转载网址:http://www.itpub.net/thread-1700144-1-1.html
I believe that we are who we choose to be. Nobody‘s going to come and save you, you‘ve got to save yourself.
我相信我们成为怎样的人是我们自己的选择。没有人会来拯救你,你必须要自己拯救自己。