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搜索关键字:oracle主键和unique cons    ( 609个结果
Oracle创建联合主键
先创建个表: 1)create table test ( sno char(12), name char(4), CONSTRAINT PK_TAB PRIMARY KEY (sno,name) -- 联合主键 ); 2) 创建表之后追加联合主键: alter table test add cons ...
分类:数据库   时间:2017-05-23 12:10:50    阅读次数:204
198. House Robber
Problem statment: You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only cons ...
分类:其他好文   时间:2017-05-18 01:35:44    阅读次数:293
const、指针 (1)
一: int a = 1; int b = 2; const int* p = &a; //p的值可改,p所指向的值不可修改, const int *p = &a; //p的值可改,p所指向的值不可修改, int* const p = &a; //p的值不可改,p所指向的值可修改, int cons ...
分类:其他好文   时间:2017-05-17 12:04:40    阅读次数:154
BestCoder Round #91
A.Lotus and Characters(技巧 + 思维) Problem Description Lotus has n kinds of characters,each kind of characters has a value and a amount.She wants to cons ...
分类:其他好文   时间:2017-05-03 21:17:38    阅读次数:186
HDU 4923 Room and Moor
Problem Description PM Room defines a sequence A = {A1, A2,..., AN}, each of which is either 0 or 1. In order to beat him, programmer Moor has to cons ...
分类:其他好文   时间:2017-05-01 09:51:01    阅读次数:176
UVA 10115 Automatic Editing(字符处理)
Text-processing tools like awk and sed allow you to automatically perform a sequence of editing operations based on a script. For this problem we cons ...
分类:其他好文   时间:2017-04-27 13:56:25    阅读次数:160
【POJ】3133 Manhattan Wiring
【算法】插头DP 【题解】蓝书原题 动态规划 [原创]插头DP小结(ACM by kuangbin) #include<cstdio> #include<algorithm> #include<cstring> using namespace std; const int MAXD=15; cons ...
分类:其他好文   时间:2017-04-21 20:22:59    阅读次数:229
对数据进行排序,最大的和最小的穿插
List<int> list = new List<int>(); list.AddRange(new int[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }); int len = list.Count - 1; list.Sort(); list.ForEach(Cons ...
分类:编程语言   时间:2017-04-20 19:40:51    阅读次数:189
const 作用
转载自:http://www.cnblogs.com/xudong-bupt/p/3509567.html 1.const 修饰成员变量 1 #include<iostream> 2 using namespace std; 3 int main(){ 4 int a1=3; ///non-cons ...
分类:其他好文   时间:2017-04-16 18:55:38    阅读次数:165
mysql以下c连接mysql数据库
1.安装sudo yum install mysql-devel 安装组件和库 2. #include <stdio.h> #include <stdlib.h> #include <string.h> #include <mysql/mysql.h> int main(int argc, cons ...
分类:数据库   时间:2017-04-16 10:57:42    阅读次数:202
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