AdventureWorks Database: GROUP BY CUBE operation on locationid and shelf

SQL Query - AdventureWorks: Exercise-13 with Solution

13. From the following table write a query in SQL to find the sum of the quantity of all combination of group of distinct locationid and shelf column. Return locationid, shelf and sum of quantity as TotalQuantity.

productid|locationid|shelf|bin|quantity|rowguid                             |modifieddate           |
---------+----------+-----+---+--------+------------------------------------+-----------------------+
        1|         1|A    |  1|     408|47a24246-6c43-48eb-968f-025738a8a410|2014-08-08 00:00:00.000|
        1|         6|B    |  5|     324|d4544d7d-caf5-46b3-ab22-5718dcc26b5e|2014-08-08 00:00:00.000|
        1|        50|A    |  5|     353|bff7dc60-96a8-43ca-81a7-d6d2ed3000a8|2014-08-08 00:00:00.000|
        2|         1|A    |  2|     427|f407c07a-ca14-4684-a02c-608bd00c2233|2014-08-08 00:00:00.000|
        2|         6|B    |  1|     318|ca1ff2f4-48fb-4960-8d92-3940b633e4c1|2014-08-08 00:00:00.000|
        2|        50|A    |  6|     364|d38cfbee-6347-47b1-b033-0e278cca03e2|2014-08-08 00:00:00.000|
        3|         1|A    |  7|     585|e18a519b-fb5e-4051-874c-58cd58436c95|2008-03-31 00:00:00.000|
        3|         6|B    |  9|     443|3c860c96-15ff-4df4-91d7-b237ff64480f|2008-03-31 00:00:00.000|
        3|        50|A    | 10|     324|1339e5e3-1f8e-4b82-a447-a8666a264f0c|2008-03-31 00:00:00.000|
        4|         1|A    |  6|     512|6beaf0a0-971a-4ce1-96fe-692807d5dc00|2014-08-08 00:00:00.000|
        4|         6|B    | 10|     422|2c82427a-63f1-4877-a1f6-a27b4d201eb6|2014-08-08 00:00:00.000|
        4|        50|A    | 11|     388|fd912e69-efa2-4ab7-82a4-03f5101af11c|2014-08-08 00:00:00.000|
      316|         5|A    | 11|     532|1ee3dbd3-2a7e-47dc-af99-1b585575efb9|2008-03-31 00:00:00.000|
	  -- more --

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Sample Solution:

-- Selecting columns for location ID, shelf, and the sum of quantity
SELECT locationid, shelf, SUM(quantity) AS TotalQuantity
-- Retrieving data from the 'productinventory' table
FROM production.productinventory
-- Grouping the results by the CUBE function applied to location ID and shelf
GROUP BY CUBE (locationid, shelf);

Explanation:

• The SELECT statement retrieves columns for location ID, shelf, and the sum of quantity.
• FROM production.productinventory specifies the table 'productinventory' from which the data will be retrieved.
• The GROUP BY clause groups the results based on the CUBE function applied to the location ID and shelf columns.
• The CUBE function generates a result set that includes super-aggregate rows, representing all combinations of specified columns along with grand totals and subtotals.
• In this case, the CUBE function is applied to both location ID and shelf, resulting in a result set that includes subtotals for each combination of location and shelf, as well as grand totals for each individual column and the overall total.

Sample Output:

locationid|shelf|totalquantity|
----------+-----+-------------+
          |     |       335974|
        50|J    |         3321|
         6|A    |         2734|
        50|B    |         3591|
         5|A    |         6572|
        45|N/A  |          332|
        60|K    |          107|
        10|D    |         1727|
        60|G    |         1050|
        60|A    |         1116|
        20|B    |          355|
        50|S    |         1333|
        50|K    |         8881|
         1|G    |         3954|
         6|K    |          164|
        20|A    |         1680|
        10|C    |         3464|
		...

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