ORACLE不支持TOP Nselect * from (select * from T_WEIXIN_HOMEWORK order by SUBSTR(HOMETITLE,0,10) desc ) where rownum<=5 order by rownum我们今天主要和大家讨论的是Oracle...
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数据库 时间:
2014-10-08 13:43:45
阅读次数:
324
Given a string containing only digits, restore it by returning all possible valid IP address combinations.
For example:
Given "25525511135",
return ["255.255.11.135", "255.255.111.35"]. (Order ...
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其他好文 时间:
2014-10-08 10:45:25
阅读次数:
195
Functional JavaScript
目录
1
Get Started with FP2
First-class Functions and Applicative Programming3
Variable Scope and Closures4
High-order Functions5
Function-Building Functions6
...
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编程语言 时间:
2014-10-08 10:13:35
阅读次数:
266
[leetcode]Given an array where elements are sorted in ascending order, convert it to a height balanced BST....
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其他好文 时间:
2014-10-08 10:09:55
阅读次数:
164
配置Apache部分1.修改Apache中Httpd.conf文件 SetHandler server-status Order deny,allow Deny from all Allow from .localhost 2.添加ExtendedStatus,设置ExtendedStatus O....
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其他好文 时间:
2014-10-07 11:23:43
阅读次数:
152
Going from u to v or from v to u?Time Limit:2000MSMemory Limit:65536KTotal Submissions:14566Accepted:3846DescriptionIn order to make their sons brave,...
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其他好文 时间:
2014-10-06 19:01:31
阅读次数:
193
Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between).
For example:
Given binary ...
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其他好文 时间:
2014-10-06 16:46:00
阅读次数:
165
Given an array withnobjects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, .....
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其他好文 时间:
2014-10-06 15:15:50
阅读次数:
146
Question:I am trying to create a process of rework in sap ppMy objective is to capture the rework cost to the original order number of the material.I ...
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其他好文 时间:
2014-10-06 03:36:59
阅读次数:
585
索引的优点。创建唯一性索引可以确保行数据的唯一性;可以大大提高数据的检索速度;可以加速表与表之间的连接;在使用order by,group by之句时,可以减少查询中分组和排序的时间。 索引的缺点。创建和维护索引需要耗费时间;索引占用物理空间;当对表中的数据进行,删除,更改时,索引也要动态的维护。....
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数据库 时间:
2014-10-06 02:26:59
阅读次数:
267