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搜索关键字:over(partition by)-开窗函数-组内排序    ( 11758个结果
Ubuntu与Win7双系统下,改变分区导致error:no such partition grub rescue>
我电脑装的是windows和ubuntu双系统。在windows下改变分区,包括新建分区、删除分区、合并分区等操作,会造成Ubuntu的grub找不到分区,以致进入grub rescue模式。这时可以通过如下方式恢复。...
分类:Windows程序   时间:2014-07-24 23:02:23    阅读次数:271
STUN协议简析
http://blog.csdn.net/mazidao2008/article/details/4934257————————————————————————————————————————————————————STUN简介STUN(Simple Traversal of UDP over NA...
分类:其他好文   时间:2014-07-24 21:33:22    阅读次数:314
利用"SQL"语句自动生成序号的两种方式
1.首先,我们来介绍第一种方式:◆查询的SQL语句如下:select row_number() over (order by name) as rowid, sysobjects.[name] from sysobjects◆运行的结果:rowid name1 all_columns2 all_ob...
分类:数据库   时间:2014-07-24 17:28:45    阅读次数:342
postgresql 分区表
1.普通方式建立主表create table tbl_partition( id integer, name varchar(20), gender boolean, join_date date, dept char(4))2.创建分区表.(注意加上约束和继承)cre...
分类:数据库   时间:2014-07-24 17:19:55    阅读次数:324
recover Windows 7 boot partition overwritten by Linux Mint boot loader
MyNotebookinstalledwithdualbootOS:LinuxMint16andWindows7DuringLinuxMint17overwrittingversion16,Iselectedthewindowsbootpartitionasthemintbootloaderdevicebymistake,sowindows7failedtostartaftertheinstallation.torecoverthebootpartition,boottheNBwithwindows7inst..
分类:Windows程序   时间:2014-07-23 21:09:26    阅读次数:224
Leetcode:Palindrome Partitioning II
Description:Given a strings, partitionssuch that every substring of the partition is a palindrome.Return the minimum cuts needed for a palindrome part...
分类:其他好文   时间:2014-07-23 20:34:35    阅读次数:235
查看Mysql表分区语句
SELECT partition_name part, partition_expression expr, partition_description descr, table_rows FROM INFORMATION_SCHEMA.partitions WHERE...
分类:数据库   时间:2014-07-23 20:20:55    阅读次数:258
Teamcenter10 step-by-step installation in Linux env-Teamcenter 4 tier RichClient Installation
Introduction In this post, we will introduce OTW(over the web) mode to install Teamcenter 4-tier rich client and also use WAM tool to generate it. To ...
分类:系统相关   时间:2014-07-23 15:11:06    阅读次数:978
log(n)时间内找出数组第i小的数字
参考算法导论9.2 R_Select(int *a,int p,int r,int i){ if(p==r) return a[p]; int q=partition(a,p,r); int k=q-p; if(i==k) return a[q]; else if(i<k) return R_Select(a...
分类:其他好文   时间:2014-07-23 13:04:06    阅读次数:205
Partition List leetcode java
题目:Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x.You should preserve t....
分类:编程语言   时间:2014-07-23 12:27:46    阅读次数:290
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