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..
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其他好文 时间:
2015-03-11 19:55:39
阅读次数:
691
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 ...
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移动开发 时间:
2015-03-11 19:49:10
阅读次数:
158
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 ...
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其他好文 时间:
2015-03-11 19:48:45
阅读次数:
168
Follow upfor "Find Minimum in Rotated Sorted Array":What ifduplicatesare allowed?Would this affect the run-time complexity? How and why?Suppose a sort...
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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...
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编程语言 时间:
2015-03-11 19:18:08
阅读次数:
136
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...
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其他好文 时间:
2015-03-11 17:21:09
阅读次数:
123
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...
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其他好文 时间:
2015-03-11 14:58:38
阅读次数:
261
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...
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其他好文 时间:
2015-03-11 14:56:48
阅读次数:
156
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...
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其他好文 时间:
2015-03-11 14:54:01
阅读次数:
140
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...
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其他好文 时间:
2015-03-11 14:53:55
阅读次数:
131