查找所有重复标题的记录:SELECT *FROM t_info aWHERE ((SELECT
COUNT(*)FROM t_infoWHERE Title = a.Title) > 1)ORDER BY Title
DESC一。查找重复记录1。查找全部重复记录Select * From 表 Whe...
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数据库 时间:
2014-05-12 13:12:01
阅读次数:
384
Given a singly linked list where elements are
sorted in ascending order, convert it to a height balanced BST.1.
将LinkedList的值保存到一个数组中,转化成Convert Sorte...
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其他好文 时间:
2014-05-12 05:53:09
阅读次数:
367
/* Endian swapping module.Simple example with
Avalon streaming interfaces and a CSR busAvalon-ST has readyLatency of
0Avalon-MM has fixed readLatency ...
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其他好文 时间:
2014-05-11 23:21:17
阅读次数:
423
原文地址:Authentication options|Basic authorizationIf
you want to use simple binds with user DN and password within a Java component,
in order to authenti...
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其他好文 时间:
2014-05-10 20:27:03
阅读次数:
485
1:as给表另外命名2:desc倒序3:order
by分组4:select*form表名where条件
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其他好文 时间:
2014-05-10 06:44:37
阅读次数:
317
题目如下:
Matrix Chain Multiplication
Suppose you have to evaluate an expression like A*B*C*D*E where A,B,C,D and E are matrices. Since matrix multiplication is
associative, the order in which m...
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其他好文 时间:
2014-05-10 04:40:36
阅读次数:
318
需要每隔一段时间选取最老的商户更新时间戳:
update DP_Shop set DP_Shop.LastDate = now() where DP_Shop.ShopId in (select ShopId from DP_Shop order by LastDate limit 5);
ERROR 1235 (42000): This version of MySQL doesn't ...
分类:
数据库 时间:
2014-05-10 04:22:58
阅读次数:
423
Student表有3个字段:id,name,age看这两个SQL语句(1)select
name from student order by id;(2)select distinct(name) from student order by
id;执行结果你可能会说:第1句返回以id排序的所有nam...
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其他好文 时间:
2014-05-09 23:42:19
阅读次数:
368
SELECT * FROM ( SELECT ROW_NUMBER() OVER(ORDER BY
ca.PraiseNum desc) as RowID ,ca.[ArticleId] ...
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其他好文 时间:
2014-05-09 13:17:14
阅读次数:
409
一、冒泡排序冒泡排序算是最基础的一种算法了,复杂度为O(N^2),其基本思想是:从最低端数据开始,两两相邻比较,如果反序则交换。代码如下:/*最基本的冒泡排序*/void
BubbleSort1 (int n, int *array) /*little > big*/{ int i, j...
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其他好文 时间:
2014-05-09 13:02:57
阅读次数:
319