User::find()->orderBy('id DESC')->all(); 此方法是排序查询; User::findBySql('SELECT * FROM user')->all(); 此方法是用 sql 语句查询 user 表里面的所有数据; User::findBySql('SELECT * FROM user')->one(); 此方法是用 sql 语句查询 user 表里面的一条数据; User::find()->andWhere...
With exactly 3 values you can "sort" them using some algebra on aggregate results. You can then...
User::find()->one(); 返回一条数据 User::find()->all(); 返回所有数据 User::find()->count(); 返回记录的数量 User::find()->average(); 返回指定列的平均值 User::find()->min(); 返回指定列的最小值 User::find()->max(); 返回指定列的最大值 User::find()->scalar(); 返回值的第...
3.1. Average Without the Stream API Once we know how to calculate the sum of array elements, finding average is pretty easy – asAverage = Sum of Elements / Number of Elements: publicstaticdoublefindAverageWithoutUsingStream(int[] array){intsum=findSumWithoutUsingStream(array);return(double) s...
calculated field with decimal place Calculating 30,60,90 Days Totals in sql Calculating Average between two datetime columns Calculating the RATE as the similar financial function in Excel - SQL Server 2014-2016 Call a webservice from TSQL (Stored Procedure) Call function from view Call function ...
UPDATEI edited the above so that now it shows a zero average for clients without two months to compare. I did that fix quick and dirty (just rejoined my summary to the CTE with an outer join to get rows for Clients with no avg), so there is probably a better performing way of acco...
5. Use SQL aggregate functions to calculate minimum, maximum and average size of files in a directory: # fselect "MIN(size), MAX(size), AVG(size), SUM(size), COUNT(*) from path/to/directory" Summary In summary, fselect is a powerful command-line tool that allows users to find files...
AVERAGE ( Factor[Value] ), FILTER ( Factor, Factor[StartDate] <= MAX ( Calendar_[Date] ) && Factor[EndDate] >= MAX ( Calendar_[Date] ) && Factor[DBName - Utility] IN VALUES ( Points[DBName-Utility] ) ) ) RETURN CALCULATE ( ...
Calculating Average of Columns in 2D Array Calculating direction from 1 point in a 3d space to another Calculating the time until a specific time occurs Call a Delphi DLL String with C# DllImport and MarshalAsAttribute - returned value is half size/incomplete. call a function from Form to anot...
Delta=abs(AVERAGE(HeatSense_Device[SetPointTemp])-AVERAGE(HeatSense_Device[CurrentTemp])) My initial requirements mentioned above were : After finding the difference, make sure that difference(which is delta here) falls in range of > -1 and less than 1. ...