AdventureWorks Database: Using a derived table with multiple values

SQL Query - AdventureWorks: Exercise-45 with Solution

45. Write a SQL query to find the productid, name, and colour of the items 'Blade', 'Crown Race' and 'AWC Logo Cap' using a derived table with multiple values.

productid|name                            |productnumber|makeflag|finishedgoodsflag|color       |safetystocklevel|reorderpoint|standardcost|listprice|size|sizeunitmeasurecode|weightunitmeasurecode|weight |daystomanufacture|productline|class|style|productsubcategoryid|productmodelid|sellstartdate          |sellenddate            |discontinueddate|rowguid                             |modifieddate           |
---------+--------------------------------+-------------+--------+-----------------+------------+----------------+------------+------------+---------+----+-------------------+---------------------+-------+-----------------+-----------+-----+-----+--------------------+--------------+-----------------------+-----------------------+----------------+------------------------------------+-----------------------+
        1|Adjustable Race                 |AR-5381      |false   |false            |            |            1000|         750|           0|        0|    |                   |                     |       |                0|           |     |     |                    |              |2008-04-30 00:00:00.000|                       |                |694215b7-08f7-4c0d-acb1-d734ba44c0c8|2014-02-08 10:01:36.827|
        2|Bearing Ball                    |BA-8327      |false   |false            |            |            1000|         750|           0|        0|    |                   |                     |       |                0|           |     |     |                    |              |2008-04-30 00:00:00.000|                       |                |58ae3c20-4f3a-4749-a7d4-d568806cc537|2014-02-08 10:01:36.827|
        3|BB Ball Bearing                 |BE-2349      |true    |false            |            |             800|         600|           0|        0|    |                   |                     |       |                1|           |     |     |                    |              |2008-04-30 00:00:00.000|                       |                |9c21aed2-5bfa-4f18-bcb8-f11638dc2e4e|2014-02-08 10:01:36.827|
        4|Headset Ball Bearings           |BE-2908      |false   |false            |            |             800|         600|           0|        0|    |                   |                     |       |                0|           |     |     |                    |              |2008-04-30 00:00:00.000|                       |                |ecfed6cb-51ff-49b5-b06c-7d8ac834db8b|2014-02-08 10:01:36.827|
      316|Blade                           |BL-2036      |true    |false            |            |             800|         600|           0|        0|    |                   |                     |       |                1|           |     |     |                    |              |2008-04-30 00:00:00.000|                       |                |e73e9750-603b-4131-89f5-3dd15ed5ff80|2014-02-08 10:01:36.827|
      317|LL Crankarm                     |CA-5965      |false   |false            |Black       |             500|         375|           0|        0|    |                   |                     |       |                0|           |L    |     |                    |              |2008-04-30 00:00:00.000|                       |                |3c9d10b7-a6b2-4774-9963-c19dcee72fea|2014-02-08 10:01:36.827|
      318|ML Crankarm                     |CA-6738      |false   |false            |Black       |             500|         375|           0|        0|    |                   |                     |       |                0|           |M    |     |                    |              |2008-04-30 00:00:00.000|                       |                |eabb9a92-fa07-4eab-8955-f0517b4a4ca7|2014-02-08 10:01:36.827|
	  -- more --

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Sample Solution:

-- Selecting specific columns from the Product table
SELECT ProductID, a.Name, Color  

-- From the Production schema's Product table, aliasing it as 'a'
FROM Production.Product AS a  

-- Joining with a derived table using the VALUES clause to create a table with specified values
-- The derived table consists of a single column 'Name' with values 'Blade', 'Crown Race', and 'AWC Logo Cap'
INNER JOIN (VALUES ('Blade'), ('Crown Race'), ('AWC Logo Cap')) AS b(Name)   

-- Joining condition: matching product names between the Product table and the derived table
ON a.Name = b.Name;

Explanation:

• The SQL query retrieves data from the Product table within the Production schema.
• It selects three columns: ProductID, Name, and Color.
• The INNER JOIN clause is used to join the Product table with a derived table created using the VALUES clause.
• The VALUES clause generates a table with specified values ('Blade', 'Crown Race', and 'AWC Logo Cap') for the column Name.
• This derived table is aliased as 'b'.
• The join condition links rows from the Product table with rows from the derived table based on matching Name values.
• The result set will include rows from the Product table where the Name matches any of the specified values in the derived table.
• Only matching rows will be returned, and the output will contain the ProductID, Name, and Color columns.

Sample Output:

productid|name        |color|
---------+------------+-----+
      316|Blade       |     |
      323|Crown Race  |     |
      712|AWC Logo Cap|Multi|

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