Topic: How to Select Data from Table by Using Kusto Query.
How to Select Data from Table by using Kusto Query | Kusto Query Language Tutorial (KQL) 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. A Kusto query is a read-only request to process data and return results. The request is stated in plain text, using a data-flow model that is easy to read, author, and automate. Kusto queries are made of one or more query statements.
https://docs.microsoft.com/en-us/azure/data-explorer/kusto/query/sqlcheatsheet
.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
//Select everything from Table
TotalSale
//Provide the list of Columns
TotalSale
| project id, SalePersonFName, SalePersonLName, ProductName, ItemsSold, SoldPrice, SoldDate, City, State, Country, Region
//Column Name as New Column Name
TotalSale
| project CustomerId=id,FName=SalePersonFName
//How to Concate two Columns
TotalSale
| project FullName=strcat(SalePersonFName ," ", SalePersonLName)
//Adding Constant Value for a Column
TotalSale
| project SalePersonFName,DerivedColumn='Test',RegionId=6,CurrentDate=now()
//Top N Rows -- You can use Take or Limit
TotalSale
| take 5
//Top N row with Order by
TotalSale
| order by id asc
| limit 5
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