Window functions with aggregations (I)
To familiarize yourself with the window functions, you will work with the Orders table in this chapter. Recall that using OVER(), you can create a window for the entire table. To create partitions using a specific column, you need to use OVER() along with PARTITION BY.
Latihan ini merupakan bagian dari kursus
Intermediate SQL Server
Instruksi latihan
Write a T-SQL query that returns the sum of OrderPrice by creating partitions for each TerritoryName.
Latihan interaktif langsung praktik
Cobalah latihan ini dengan melengkapi kode contoh ini.
SELECT OrderID, TerritoryName,
-- Total price for each partition
___
-- Create the window and partitions
___(___ TerritoryName) AS TotalPrice
FROM Orders