Kusto Query Using Sum and Sumif | Kusto Query Language Tutorial (KQL)

Topic: Sum and Sumif  Functions in Kusto Query Language

In this article we are going to learn about two functions the sum and sum if in Kusto Query Language Sum you can tell from the name itself where it is going to use to sum the values from different columns and then we have Sumif that returns the sum of expressions for which a predicate evaluates to true, Kusto Query Language is a powerful tool to explore your data and discover patterns, identify anomalies and outliers, create statistical modeling, and more. The query uses schema entities that are organized in a hierarchy similar to SQL's: databases, tables, and columns.

 // sum and sumif -- Returns a sum of Expr for which Predicate evaluates to true.  
 //create Table and Insert Sample Data in Azure Data Explorer DB for Testing  
 .drop table TotalSale  
 .create table TotalSale (  
   id: int   
   ,SalePersonFName: string  
   ,SalePersonLName : string  
   ,ProductName : string  
   ,ItemsSold : int  
   ,SoldPrice :real  
   ,SoldDate: date  
   ,City : string  
   ,State : string  
   ,Country : string  
   ,Region : string  
   )  
        
      //Insert data  
       .ingest inline into table TotalSale <|  
 11,Tamara,Tony,Cell Phone,2,1200,2015-03-03,Frankfurt,Hesse,Germany,Europe  
 9,Petra,Henry,TV,10,5000,2015-04-08,Paris,Île-de-France,France,Europe  
 3,Christy,Ladson,TV,3,1600,2015-04-02,High Point,NC,USA,North America  
 7,Chirag,Patel,Cell Phone,5,1500,2015-06-23,AhmadAbad,Gujrat,India,Asia  
 2,M,Raza,Cell Phone,2,800,2015-07-15,Charlotte,NC,USA,North America  
 5,Najaf,Ali,Computer,1,300,2015-06-20,Karachi,Sindh,Pakistan,Asia  
 6,Sukhjeet,Singh,TV,2,900,2015-06-21,ChandiGar,Punjab,India,Asia  
 4,John,Rivers,Laptop,5,2400,2014-03-09,Jersey City,NJ,USA,North America  
 8,Aleena,Aman,Laptop,2,800,2015-05-25,Lahore,Punjab,Pakistan,Asia  
 10,Rita,Roger,Laptop,7,2100,2015-04-11,Paris,Île-de-France,France,Europe  
 1,Aamir,Shahzad,TV,1,700,2015-07-15,Charlotte,NC,USA,North America  
 12,aamir,Shahzad,TV,1,7000,2015-07-15,Charlotte,NC,USA,North America  
 10,Rita,Roger,Laptop,7,2100,2015-04-11,Paris,Île-de-France,France,Europe  
   
 // total items sold  
 TotalSale  
 | summarize sum(ItemsSold)  
   
   
 // Native way to perform sum by filtering and summing  
 TotalSale  
 | where Region=="Asia"  
 | summarize sum(ItemsSold)  
   
 // sumif to get results for condition -- perform sum only for Region=Asia  
 TotalSale  
 | summarize sumif(ItemsSold,Region =="Asia")  

Video Demo: Kusto Query Using Sum and Sumif | Kusto Query Language Tutorial (KQL)

1 comment:

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