--1、查看表空间的名称及大小 SELECT t.tablespace_name, round(SUM(bytes / (1024 * 1024)), 0) ts_size FROM dba_tablespaces t, dba_data_files d WHERE t.tablespace_na....
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数据库 时间:
2015-07-17 11:48:21
阅读次数:
177
CREATE TABLE tmp AS SELECT id FROM get_review_url WHERE (no,title,name,content) IN (SELECT no,title,name,content FROM get_review_url GROUP BY no,titl....
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数据库 时间:
2015-07-17 11:33:28
阅读次数:
129
题目:
Given a list, rotate the list to the right by k places, where k is non-negative.
For example:
Given 1->2->3->4->5->NULL and k = 2,
return 4->5->1->2->3->NULL.
题意:
给定一个链表,以距离右边界...
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编程语言 时间:
2015-07-17 10:04:08
阅读次数:
153
1.6 Given an image represented by an NxN matrix, where each pixel in the image is 4 bytes, write a method to rotate the image by 90 degrees. Can you d...
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其他好文 时间:
2015-07-17 07:07:39
阅读次数:
126
Where - Simple 1筛选出数值中大于5的元素public void Linq1() { int[] numbers = { 5, 4, 1, 3, 9, 8, 6, 7, 2, 0 }; var lowNums = ...
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其他好文 时间:
2015-07-17 00:26:34
阅读次数:
159
get-alias-definitionget-childitem#dir的别名为get-childitem#只列出目录dir|where-object{$_-is[System.IO.DirectoryInfo]}dir|where-object{$_.PSIsContainer}dir|where-object{$_.Mode.Substring(0,1)-eq"d"}#只列出文件dir|where-object{$_-is[System.IO.FileInfo]}dir|wh..
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系统相关 时间:
2015-07-16 22:33:26
阅读次数:
188
题目:
Given a range [m, n] where 0
For example, given the range [5, 7], you should return 4.
解答:
假如说5:101 7:111 连续几个数相与的规律:一,只要是相同的位置的数字不相同最后那个位置的结果一定是0 。二,如果高位不相同,从不相同的那位到最低位都会为0,例如5和7虽然第0...
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编程语言 时间:
2015-07-16 22:17:30
阅读次数:
181
【算法题:求出高低不同的砖中能存多少水】「Trapping Rain Water」Givennnon-negative integers representing an elevation map where the width of each bar is 1, compute how much ...
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移动开发 时间:
2015-07-16 19:14:33
阅读次数:
120
单表查询表中所有字段select*from 表名; or查询指定字段select id,age,sex from 表名;查询指定记录select id,age,sex from 表名 where 表达式;例如 :select id,age from p1_2 where id>1 and id>3....
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数据库 时间:
2015-07-16 18:59:37
阅读次数:
155