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over partition by与group by
over partition by与group by 的区别http://www.cnblogs.com/scottpei/archive/2012/02/16/2353718.html今天看到一个老兄的问题, 大概如下: 查询出部门的最低工资的userid 号 表结构: D号 工资 ...
分类:其他好文   时间:2015-10-09 18:14:32    阅读次数:295
sql中查询中的when...then 语句
select cbid, row_number() over(order by zxid) as xh ,xmid,zxid,bwid,bwcb,jbrid, replace(CONVERT(varchar(10),jbrq,111 ),'/','-')as jbrq, case cbzt whe....
分类:数据库   时间:2015-10-09 13:33:12    阅读次数:249
sql实现对多个条件分组排序方法和区别
转自: http://blog.csdn.net/winer2008/article/details/4283539rank,dense_rank,row_number区别一:语法(用法): rank() over([partition by col1] order by col2) dense_....
分类:数据库   时间:2015-10-09 11:56:28    阅读次数:207
For loops in PHP
1. What's a Loop?Programming can be tough work, and sometimes it's made tougher by having to do the same thing over and over. Let's say we want toecho...
分类:Web程序   时间:2015-10-08 20:05:34    阅读次数:262
Binary Search Tree Iterator 解答
QuestionImplement an iterator over a binary search tree (BST). Your iterator will be initialized with the root node of a BST.Callingnext()will return ...
分类:其他好文   时间:2015-10-08 10:25:36    阅读次数:123
【UVa 712】S-Trees
S-TreesTime Limit:3000MSMemory Limit:Unknown64bit IO Format:%lld & %lluSubmitStatusDescriptionA Strange Tree (S-tree) over the variable setis a binary...
分类:其他好文   时间:2015-10-04 11:00:16    阅读次数:219
LintCode "Continuous Subarray Sum II"
Flip over your mind: in rotated subarray case, we can simply cut the continuous smallest subarray.class Solution {public: /** * @param A an int...
分类:其他好文   时间:2015-10-02 01:26:38    阅读次数:248
sql里的ROW_NUMBER() OVER是啥意思?
http://zhidao.baidu.com/link?url=t7FeSFSJLju3quFG4ulbMEy1RU6Y8-h4nHIi9xe9FAdSN2GFu85OFQp3zjc3y7ukORLcSnswiqeaSP0l9JvyZ_语法:ROW_NUMBER() OVER(PARTITION ...
分类:数据库   时间:2015-09-29 16:47:26    阅读次数:368
Android Studio安装Genymotion插件
1、File->settings2、搜索Plugins,安装Genymotion插件3、settings->设置Genymotion安装路径4、OK,over
分类:移动开发   时间:2015-09-25 18:17:32    阅读次数:198
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