原文:SQLSERVER中的ALL、PERCENT、CUBE关键字、ROLLUP关键字和GROUPING函数SQLSERVER中的ALL、PERCENT、CUBE关键字、ROLLUP关键字和GROUPING函数先来创建一个测试表
1 USE [tempdb] 2 GO 3 4 CREATE TABL...
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数据库 时间：
2014-05-05 11:17:30
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575
题目：Given an array of strings, return all groups of
strings that are anagrams.Note: All inputs will be in lower-case.class Solution
{public: vector ...
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其他好文 时间：
2014-05-04 20:48:08
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608
1.1 Hour 1 - Understanding Windows Workflow
Foundation1.1.1 What workflow is in generalA workflow is logic-consisting of one
or more steps that are pr...
Given a non-negative number represented as an array
of digits, plus one to the number.The digits are stored such that the most
significant digit is at...
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其他好文 时间：
2014-05-04 19:46:18
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372
问题：把英文单词表示的数字转换为阿拉伯数字，要求数字不超过整形范围，数字形如abc,def,hrg。第一行表示有几组数据，第二行输入英文。输出：相应的阿拉伯数字。例如：input:
3 eleven one hundred and two output: 11102分析：要注意百万和千要断位，还有要...
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其他好文 时间：
2014-05-04 12:32:10
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326
Given a collection of numbers that might
contain duplicates, return all possible unique permutations.For
example,[1,1,2]have the following unique perm...
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其他好文 时间：
2014-05-04 10:20:44
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240
题目如下：
``Accordian'' Patience
You are to simulate the playing of games of ``Accordian'' patience, the rules for which are as follows:
Deal cards one by one in a row from left to right, no...
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其他好文 时间：
2014-05-04 09:08:31
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329
#pragma once#include namespace stds { class tool
{ public: std::string ws2s(const std::wstring& ws) { std::string curLocale =
setlocale(LC_ALL...
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其他好文 时间：
2014-05-03 22:25:17
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318
You are given a string, S, and a list of words, L, that are all of the same length. Find all starting indices of substring(s) in S that is a concatenation of each word in L exactly once and without an...
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其他好文 时间：
2014-05-03 21:35:49
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310
1、能用DISTINCT的就不用GROUP BY
SELECT OrderID FROM Details WHERE UnitPrice > 10 GROUP BY OrderID
可改为： SELECT DISTINCT OrderID FROM Details WHERE UnitPrice > 10
2.能用UNION ALL就不要用UNION
UNION A...
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数据库 时间：
2014-05-03 21:31:24
阅读次数：
342
