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采用存储过程的方式批量更新数据
采用存储过程的方式批量更新数据,Oracle中也可采用merge-update的方式更新,不过采用如下存储过程的方式会更快些DECLARE MAX_ROWSNUMBERDEFAULT5000; ROW_ID_TABLEDBMS_SQL.UROWID_TABLE; DATE_TIME_TABLEDBMS_SQL.DATE_TABLE; CURSORC1IS SELECT/*+use_hash(t1,t2)parallel(t..
分类:其他好文   时间:2015-03-11 19:55:39    阅读次数:691
hdu5119Happy Matt Friends
Happy Matt Friends Time Limit: 6000/6000 MS (Java/Others)    Memory Limit: 510000/510000 K (Java/Others) Total Submission(s): 700    Accepted Submission(s): 270 Problem Description Matt has N ...
分类:移动开发   时间:2015-03-11 19:49:10    阅读次数:158
(母函数经典题 与2082类似)hdu 1059 Dividing
Dividing Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 18835    Accepted Submission(s): 5260 Problem Description Marsha and Bill ...
分类:其他好文   时间:2015-03-11 19:48:45    阅读次数:168
LeetCode-154 Find Minimum in Rotated Sorted Array II
Follow upfor "Find Minimum in Rotated Sorted Array":What ifduplicatesare allowed?Would this affect the run-time complexity? How and why?Suppose a sort...
分类:其他好文   时间:2015-03-11 19:18:11    阅读次数:108
C++时间标准库时间time和系统时间的使用
C++时间标准库时间time和系统时间的使用1. C++标准库中的时间需要引用time.h,可以取的本地时间或者格林威治时间,只能精确到秒#include /*包含time头文件*/#include usingnamespacestd;intmain(){//time_t是long类型,精确到秒,是...
分类:编程语言   时间:2015-03-11 19:18:08    阅读次数:136
(hdu step 6.2.1)最短路(求从a点到b点的最短距离)
题目:最短路Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 274 Accepted Submission(s): 151 Problem Description在每年的校赛里,所有进入决赛的同学都会获得一件很漂亮的t-shirt。但是每当我们的...
分类:其他好文   时间:2015-03-11 17:21:09    阅读次数:123
POJ 3189 Treats for the Cows(两种DP方法解决)
Treats for the Cows Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 4264   Accepted: 2155 Description FJ has purchased N (1 The treats are interesting fo...
分类:其他好文   时间:2015-03-11 14:58:38    阅读次数:261
(简单母函数进阶版,暴力)hdu 2069 Coin Change
Coin Change Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 14857    Accepted Submission(s): 5024 Problem Description Suppose there...
分类:其他好文   时间:2015-03-11 14:56:48    阅读次数:156
(平方幂母函数)hdu 1398 Square Coins
Square Coins Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 8891    Accepted Submission(s): 6067 Problem Description People in Sil...
分类:其他好文   时间:2015-03-11 14:54:01    阅读次数:140
(简单母函数模板)hdu 1028 Ignatius and the Princess III
Ignatius and the Princess III Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 14405    Accepted Submission(s): 10142 Problem Descrip...
分类:其他好文   时间:2015-03-11 14:53:55    阅读次数:131
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