Youtor
Understanding Relational Division in SQL
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=KJvo1XfiKPE
Intermediate level SQL on Relational Division using GROUP BY, COUNT, HAVING, and a correlated subquery or common table expression (CTE). A simple example, stripped-down example of Job Applicants with certain Skills, and Jobs that require certain skills is provided to teach the concept of relational division. • Here is the script to create the example JobSkills database, with data. • https://douglaskline.blogspot.com/201... • Here is the code used in the example. • https://douglaskline.blogspot.com/201...
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