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Refresher/SQL/Most Frequently Asked
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Refresher/SQL
Presentation
Basic Concepts
Most Frequently Asked
Comprehensive Tutorial
List of Topics
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Comprehensive Tutorial
Inner join: intersection, e.g. SELECT Person.LastName, Person.FirstName, Sales.OrderNo FROM Person INNER JOIN Sales ON Person.P_Id=Sales.P_Id ORDER BY Person.LastName
Outer join: union, e.g.
Foreign key: primary key of another table.
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