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LINQ : 与T-SQL的比较对照表

 chenxizhang  2009/07/16  140

cept Intersect Intersect Max Max Min Min Avg Average Sum Sum Count Count,LongCount First First,FirstOrDefault Last Las...
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一个简单的SQL 行列转换

 eaglet  2009/07/27  163

then Cnt else 0 end),[辞退]= Sum(case when EmployeeType = '辞退' then Cnt else 0 end),[合计]= Sum(case when EmployeeType '...
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简单的使用MySQL的存储过程

 佚名  2013/03/11  37910

car_5
stmt.executeQuery();while(rs.next()) {System.out.println(rs.getInt("sum"));}} catch (ClassNotFoundException e) {e.printStackTrace();} catch...
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SQL 行列倒置

 whitewolf  2015/03/14  193

下我们就可以利用sql的聚合函数sum和group by来聚合数据行:SQL: SELECT field, SUM(IF(createTime = 2015-02-01 12:00:00, value, 0)) as 2015-02-01 12:00:00, SUM(IF(createTime =...
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e-M-POWER 5.1 已确认数Qty_Commited的计算方法

 JamesLi  2013/05/10  85428

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temNo AND d.SHIP_FROM=@loc--Pending Shipment Assortment ComponentSELECT sum(f.QTY_ISSUED * d.LOT_SIZE) FROM SLSHPH h,slshpd d,slshpf fWHERE h.REF_NO...
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Concurrency Runtime in Visual C++ 2010

 junchu25  2012/08/11  50387

car_5
std;5 using namespace Concurrency;6 7 int sum = 0;8 9 parallel_for(1, 101, 1, [&](int n) { 10 sum += n; 11 }); 12 13 wcout ppl提供了parallel_f...
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介绍六个有用的MySQL的SQL语句

 佚名  2014/02/21  79335

car_5
CT table_schema AS Db Name, Round( Sum( data_length + index_length ) / 1024 / 1024, 3 ) AS Db Size (MB), Round( Sum( data_free ) / 1024 / 1024, 3 ) AS...
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如何对数据进行合并及分组

 chenxizhang  2009/05/20  145

END AS 币种,小计 FROM(SELECT TOP 100 PERCENT 日期,币种,SUM(金额) AS 小计,GROUPING(日期) AS 日期汇总,GROUPING(币种) AS 币种汇总 FROM (SELECT CONVE...
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Guava-Optional可空类型

 whitewolf  2015/01/18  98

sum = 0;for (Employee employee : list) {sum += Optional.fromNullable(employee).or(new Employee("dummy", 0)).getAge();}System.out.println(sum...
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你可以不知道的JS二

 piziyimao  2013/02/04  91

uot;alert(sum(1, 2)); function sum(x, y) { return x + y; }; //3_//alert(sum(1, 2)); var sum = function (x, y) { return x + y; }; //报错var sum = functio...
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