List of Figures

1-1 Oracle Services

1-2 External Program Executing in Separate Address Space

2-1 Cartridge Development Process

5-1 How an External Procedure is Called

7-1 B-tree Index Structure

7-2 Hash Index Structure

7-3 2-d Index Structure

7-4 Point Quadtree Index Structure

12-1 Sequence of Calls for Parallel Evaluation of User-Defined Aggregates

13-1 Typical Data Processing with Unparallelized, Unpipelined Table Functions

13-2 Data Processing Using Pipelining and Parallel Execution

13-3 Flowchart of Table Function Row Source Execution

15-1 Region Served by the Power Utility

15-2 Regional Grid Cells in Numbered Sequence

15-3 Grayscale Representation of Satellite Image

15-4 Grayscale Representation of Weather Conditions at Second Recording

15-5 Grayscale Representation of Conditions as Projected

15-6 Distribution of Power Stations Across the Region

15-7 Areas Served by Three Power Stations

15-8 Application Object Model of the Power Demand Cartridge

15-9 Implementation Model of the Power Demand Cartridge