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
Technical Requirements:
P500+ Processor, 128MB of RAM; Windows 2000, 2003, XP, Minimum screen resolution 800x600, Internet Explorer 6.0 or higher; Windows Media Player 9.0 or higher; Adobe Flash Player 8.0 or higher; 56K minimum connection; broadband (256 kpbs or higher) connection recommended; Cookies enabled; Sound card with speakers or headphones strongly recommended.
