插入 日期时间 循环插入declare total date:= trunc(sysdate-1) ; begin for i_count in 1..10000 LOOP insert into DQ_DATE(date_time) values ( total ); total...
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数据库 时间:
2014-06-18 21:25:39
阅读次数:
302
Follow up for "Search in Rotated Sorted Array":What ifduplicatesare allowed?Would this affect the run-time complexity? How and why?Write a function to...
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其他好文 时间:
2014-06-18 20:54:36
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202
There are two sorted arrays A and B of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity should be ...
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其他好文 时间:
2014-06-18 17:39:11
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260
Test for Job
Time Limit: 5000MS
Memory Limit: 65536K
Total Submissions: 8990
Accepted: 2004
Description
Mr.Dog was fired by his company. In order to support his famil...
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其他好文 时间:
2014-06-18 11:17:50
阅读次数:
177
Kth number
Time Limit: 15000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 4585 Accepted Submission(s): 1461
Problem Description
Give you a sequenc...
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其他好文 时间:
2014-06-17 23:04:29
阅读次数:
246
Robot Motion
Time Limit: 1000MS
Memory Limit: 10000K
Total Submissions: 10219
Accepted: 4977
Description
A robot has been programmed to follow the instructions in...
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其他好文 时间:
2014-06-17 22:41:33
阅读次数:
294
SELECT * FROM tab WHERE time = (SELECT MAX(time) FROM tab) 找出时间最近的一条记录
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数据库 时间:
2014-06-17 20:13:30
阅读次数:
203
首先需要说明的是这篇文章的内容并不是如何调节SQL Server查询性能的(有关这方面的内容能写一本书),而是如何在SQL Server查询性能的调节中利用SET STATISTICS IO和SET STATISTICS TIME这二条被经常忽略的Transact-SQL命令的。 从表面上看,查询....
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数据库 时间:
2014-06-17 15:11:08
阅读次数:
271
Say you have an array for which the ith element is the price of a given stock on day i.Design an algorithm to find the maximum profit. You may complet...
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其他好文 时间:
2014-06-17 14:57:30
阅读次数:
269
Cold weather is coming and in some northern states is already here. That means it’s time to winterize your car. Vehicle maintenance is something we do...
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其他好文 时间:
2014-06-17 14:39:34
阅读次数:
255