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CHAPTERS

• 1. An Introduction to SQL
• 2. An Overview of the SELECT Statement
• 3. The FROM Clause
• 4. The WHERE Clause
• 5. The GROUP BY Clause
• 6. The HAVING Clause
• 7. The SELECT Clause
• 8. The ORDER BY Clause
• 9. SQL Data Types
• 10. Relational Integrity
• 11. Special Structures

The HAVING Clause

The HAVING clause follows the GROUP BY clause both in syntax (its position in the SELECT statement) and in the sequence of execution. HAVING is basically the same as WHERE, with the difference that HAVING works on group rows.

Topics include the following:

• HAVING Filters Group Rows
• Wrapping Up: the HAVING Clause

 

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Sample Applications & Examples

Publisher: SitePoint

Author: Rudy Limeback

Year: 2008