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Bw树:新硬件平台的B树(内存数据库中的b树索引)
Bw树:新硬件平台的B树Bw树:新硬件平台的B树... 11. 概述... 21.1 原子记录存储(Atomic Record Stores)... 21.2 新的环境... 21.3 实现... 32 Bwtree的体系结构... 32.1 现代的硬件敏感性... 32.2 Mapping Tab...
分类:数据库   时间:2015-03-29 10:47:08    阅读次数:336
PL/SQL基本结构---PLSQL复合类型---记录类型record
记录类型recordrecord类型最常用,声明的时候可以加not null,但必须给初始值,如果record类型一致可以相互赋值,如果类型不同,里面的字段恰好相同,不能互相赋值。引用记录型变量的方法是“记录变量名.基本类型变量名”。 ――――――――――――――――――――――――――――――――...
分类:数据库   时间:2015-03-28 14:12:18    阅读次数:132
LeetCode – Refresh – Maximum Product Subarray
Similar to maximum sum subarray, but need a gmin to record the global minimum to handle negative numbermultiplication. 1 class Solution { 2 public: 3 ...
分类:其他好文   时间:2015-03-21 06:22:49    阅读次数:118
排列数算法A(n,m)(n>=m)
#include using namespace std; int source[]={1,2,3,4,5,6,7,8,9},n=9,m=3,record[10],visited[10],counter=0; void output() { for(int i=0;i<m;i++) cout<<record[i]<<" "; cout<<endl; } void dfs(int step)...
分类:编程语言   时间:2015-03-20 18:47:04    阅读次数:168
LeetCode – Refresh – Longest Substring with At Most Two Distinct Characters
At first beginning, I was trying to use hash set to record the characters. But I found that was wrong.Because if there are couple same chars, when you...
分类:其他好文   时间:2015-03-20 08:06:07    阅读次数:164
LeetCode – Refresh – Largest Rectangle in Histogram
Use two vector to record left and right indexes that can extend the blocks. 1 class Solution { 2 public: 3 int largestRectangleArea(vector &height...
分类:其他好文   时间:2015-03-20 08:02:31    阅读次数:126
LeetCode – Refresh – Evaluate Reverse Polish Notation
Just use a stack to record the numbers. And evey time you encounter a operator, pop two numbers, calucate it and push it back.Do not disorder the numb...
分类:其他好文   时间:2015-03-19 09:59:59    阅读次数:113
LeetCode – Refresh – Divide Two Integers
There couple of edge cases need to remember:1. The result, absolute value of dividend and divisor. Otherwise, when the record goes out of boundary, th...
分类:其他好文   时间:2015-03-19 08:50:24    阅读次数:125
LeetCode – Refresh – Clone Graph
1. Use BFS to search the graph.2. Create a hashtable to record the one to one mapping. 1 /** 2 * Definition for undirected graph. 3 * struct Undirec.....
分类:其他好文   时间:2015-03-19 06:19:16    阅读次数:125
LeetCode – Refresh – Binary Tree Level Order Traversal
Basic question. Use a queue to store Node, use two numbers to record current level node numbers and next level node numbers. 1 /** 2 * Definition for....
分类:其他好文   时间:2015-03-18 08:58:27    阅读次数:105
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