Assigning row numbers
Records in T-SQL are inherently unordered. Although in certain situations, you may want to assign row numbers for reference. In this exercise, you will do just that.
Latihan ini adalah bagian dari kursus
Intermediate SQL Server
Petunjuk latihan
Write a T-SQL query that assigns row numbers to all records partitioned by TerritoryName and ordered by OrderDate.
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
SELECT TerritoryName, OrderDate,
-- Assign a row number
___
-- Create the partitions and arrange the rows
OVER(PARTITION BY TerritoryName ORDER BY OrderDate) AS OrderCount
FROM Orders