SQL सर्वर में समूह द्वारा समूह को समझें - SQL सर्वर / TSQL ट्यूटोरियल भाग 130

परिदृश्य:

समाधान:

Create table dbo.Customer
 (Id int,
  FName VARCHAR(50),
  LName VARCHAR(50),
  CountryShortName CHAR(2),
  SaleAmount Int)
GO
--Insert Rows in dbo.Customer Table
insert into dbo.Customer
Values (
1,'Raza','M','PK',10),
(2,'Rita','John','US',12),
(3,'Sukhi','Singh',Null,25),
(4,'James','Smith','CA',60),
(5,'Robert','Ladson','US',54),
(6,'Alice','John','US',87),
(6,'John',Null,'US',Null)

SELECT Sum(saleamount) AS TotalSaleByCountry, 
       Count(*) AS RecordCountByCountry, 
       countryshortname 
FROM   dbo.customer 
GROUP  BY countryshortname

SELECT Sum(saleamount) AS TotalSaleByCountry, 
       Count(*) AS RecordCountByCountry, 
       countryshortname,

       [State]
FROM   dbo.customer 
GROUP  BY countryshortname,[State]

Video Demo: What is Group by Clause in SQL Server