码迷,mamicode.com
首页 >  
搜索关键字:order by    ( 17944个结果
sql:查询创建表的结构
--显示所有用户表:--1SELECT SCHEMA_NAME(schema_id) As SchemaName , name As TableName from sys.tables ORDER BY name--2。alternate:SELECT sch.name As Schem...
分类:数据库   时间:2014-05-20 01:49:29    阅读次数:735
How to define Servlet filter order of execution using annotations
If we define Servlet filters in web.xml, then the order of execution of the filters will be the same as the order in which they are defined in the web...
分类:其他好文   时间:2014-05-19 23:07:40    阅读次数:352
SQL语句--分组的Top查询
代码SELECT A.*FROM( SELECT ROW_NUMBER() OVER(PARTITION BY Host ORDER BY Host,count(EntranceURL) DESC) AS ROW, Host, EntranceURL as PageURL ...
分类:数据库   时间:2014-05-19 09:12:59    阅读次数:338
Mysql 高效随机生成N条记录
1 select *, rand() as random FROM yef_exercises where id not in(1) order by random limit 1 // Mysql
分类:数据库   时间:2014-05-17 18:58:42    阅读次数:370
windows下面 apache 虚拟主机配置
ServerAdmin www.test2.com DocumentRoot "D:/PHP/Apache/htdocs/testSite2" Options Indexes FollowSymLinks AllowOverride None Order allow,deny ...
分类:Windows程序   时间:2014-05-16 04:36:42    阅读次数:468
Binary Tree Zigzag Level Order Traversal
原题: 题目解析:这个问题的实质是要我们按成访问二叉树的结点,并返回每层访问的结果,这里要求走Z字,其实就是一行正向一行反向。 /* the kernel idea is visit a binary search tree in level and the additional work we have to label the end of one level. */ v...
分类:其他好文   时间:2014-05-15 23:18:46    阅读次数:515
待整理细化的点
Row_number配合over(partition by xx order by xx) 与 Group by 的区别, = order + group?SqlBulkCopyGuidance Automation Toolkit 2010 Reference
分类:其他好文   时间:2014-05-15 20:39:55    阅读次数:249
Leetcode 树 Binary Tree Level Order Traversal
题意:给定一棵二叉树,返回按层遍历的结果 思路1:bfs,定义一个新的struct,记录指针向节点的指针和每个节点所在的层 复杂度1:时间O(n),空间O(n) 思路2:dfs 递归函数: void levelOrder(TreeNode *root, int level, vector<vector >&result) 表示把根为root的树按层存放在result中,其中level表示当前的层数 复杂度2:时间O(n),空间O(n) 相关题目:...
分类:其他好文   时间:2014-05-15 14:46:06    阅读次数:355
LeetCode-004 Add Two Numbers
【题目】 You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. Input: (2 -> 4 -> 3) + (5 -> 6 -> 4) Out...
分类:其他好文   时间:2014-05-15 05:13:49    阅读次数:306
sql获取每门课程成绩最好的学生信息
1.相关数据表 Score表 [User]表 SQL语句如下: --查询出各科成绩最好的学生信息 --自连接 --SELECT TOP 1 * FROM Score B WHERE B.ScoreName = '数学' ORDER BY B.Score DESC SELECT A.ID,U.Name,A.ScoreName,A.Score FROM Score A,[Use...
分类:数据库   时间:2014-05-15 05:02:05    阅读次数:477
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!