Answers for "sum sql group by"

sql group by sum with condition

SELECT CityID, 
       COUNT(*) NumberOfDogsInThisCity,
       SUM(CASE WHEN DogName = 'Tedy' THEN Wheight ELSE 0 END) WheightOfAllDogWithNameTedy
FROM Dogs
GROUP BY CityID

sum with group by in sql server

SELECT cust_city, SUM (opening_amt + receive_amt) 
FROM customer 
GROUP BY cust_city;