AdventureWorks Database: Return rows except two values in the two tables match

SQL Query - AdventureWorks: Exercise-189 with Solution

189. From the following tables write a query in SQL to return rows except both the productid and startdate values in the two tables matches.

Sample table: Production.workorder

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Sample table: Production.workorderrouting

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Sample Solution:

SELECT a.productid, a.startdate 
FROM production.workorder AS a  
(SELECT *   
    FROM production.workorderrouting  AS b  
    WHERE (a.productid = b.productid and a.startdate=b.actualstartdate)) ;

Sample Output:

productid|startdate              |
        3|2011-06-03 00:00:00.000|
      316|2011-06-03 00:00:00.000|
      324|2011-06-03 00:00:00.000|
      327|2011-06-03 00:00:00.000|
      328|2011-06-03 00:00:00.000|
      329|2011-06-03 00:00:00.000|
      331|2011-06-03 00:00:00.000|
      350|2011-06-03 00:00:00.000|
      398|2011-06-03 00:00:00.000|
      399|2011-06-03 00:00:00.000|
      400|2011-06-03 00:00:00.000|
      401|2011-06-03 00:00:00.000|
      529|2011-06-03 00:00:00.000|

SQL AdventureWorks Editor:

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SQL: Tips of the Day


SELECT t0.col3
FROM table AS t0
LEFT JOIN table AS t1 ON t0.col1=t1.col1 AND t0.col2=t1.col2 AND t1.col3>t0.col3
WHERE t1.col1 IS NULL;

Ref : https://bit.ly/3VX3Jzv