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Database Query Using Sql Ii
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Subject
Informatics Practices
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Aggregate Functions3a Count Sum Avg Min Max
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Basic Performance Considerations3a Indexes Concept Intro Only
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Combining Conditions Across Joined Tables
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Filtering Groups3a Having Clause
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Grouping Data3a Group By With Aggregates
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Joins3a Inner Join With On Using Equi Join And Natural Join Concept
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Multiple Column Sorting And Expressions In Order By
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Outer Joins3a Left Join And Right Join
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Referential Integrity Enforcement With Foreign Key Concept And Simple Examples
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Simple Computed Columns And Aliases With AS
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