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This Chapter
Aggregating
Filtering
How to Run SQL Outside of This Textbook
Ifs and Cases
Introduction
Joining
Selecting
Sorting
Summary
Source
SQL
¶
Contents
Introduction
Selecting
Filtering
Sorting
Aggregating
Extension: Counting Unique Values
Extension: The HAVING Clause
Extension: Numbered Column Aliases
Ifs and Cases
Joining
Extension: Subqueries
Summary
How to Run SQL Outside of This Textbook
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