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This course examines the summarizing of query results into groups using the GROUP BY clause in Oracle9i SQL.
Objectives:
- Explain how group functions work
- Use aggregate functions
- Use DISTINCT and ALL clauses
- Group and sort rows using the GROUP BY clause
- Use the HAVING clause to restrict data
- Use the ROLLUP, CUBE, and GROUPING SETS clauses
Topics:
- The GROUP BY clause and group functions
- Aggregate functions
- Grouping rows and sorting with GROUP BY
- Restricting Data
- Extending the GROUP BY clause
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P500+ Processor, 128MB of RAM; Windows 2000, 2003, XP, Minimum screen resolution 800x600, Internet Explorer 5.5 or higher; Windows Media Player 9.0 or higher; Flash 8.0 or higher; 56K minimum connection; broadband (256 kpbs or higher) connection recommended; Javascript, DHTML and cookies enabled; Sound card with speakers or headphones strongly recommended.
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