You are misisng to do the JOIN of the tables.
You probably want to JOIN your tables.
Sales, Customer, Furniture and Time
Also try to remove the AND from your queries like
SELECT Quantity, Income, Discount, City, Type , Month
Question
The question is:- For the Star Model write an OLAP query that retrieves the quantity, the total income and discount
with respect to each city
, type of furniture
and month
.
This is what I have done and want to know is this correct
SELECT Quantity, Income, Discount, City, Type, Month
FROM Sales, Customer, Furniture, Time
WHERE Count(quantity,income,discount)
GROUP BY City, Type, Month;
Solution
You are misisng to do the JOIN of the tables.
You probably want to JOIN your tables.
Sales, Customer, Furniture and Time
Also try to remove the AND from your queries like
SELECT Quantity, Income, Discount, City, Type , Month