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Oracle® Spatial Topology and Network Data Models
10g Release 2 (10.2)

Part Number B14256-01
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Preface

Oracle Spatial Topology and Network Data Models provides usage and reference information about the topology data model and network data model of Oracle Spatial, which is often referred to as just Spatial.

This preface contains these topics:

Audience

This guide is intended for those who need to use the Spatial topology or network data model to work with data about nodes, edges, and faces in a topology or nodes, links, and paths in a network.

You are assumed to be familiar with the main Spatial concepts, data types, and operations, as documented in Oracle Spatial User's Guide and Reference.

Documentation Accessibility

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Accessibility of Code Examples in Documentation

Screen readers may not always correctly read the code examples in this document. The conventions for writing code require that closing braces should appear on an otherwise empty line; however, some screen readers may not always read a line of text that consists solely of a bracket or brace.

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Organization

This guide has two main parts. The first part contains conceptual, usage, and reference information about the topology data model of Oracle Spatial. The second part contains conceptual, usage, and reference information about the network data model of Oracle Spatial. If you develop network applications, you must understand the main concepts in both parts.This guide has the following elements.

Part I, "Topology Data Model"

Contains chapters with conceptual, usage, and reference information about the topology data model of Oracle Spatial.

Chapter 1, "Topology Data Model Overview"

Provides conceptual and usage information about the topology data model.

Chapter 2, "Editing Topologies"

Explains how to edit node and edge data in a topology. The operations include adding, moving, and removing nodes and edges.

Chapter 3, "SDO_TOPO Package Subprograms"

Provides reference information about functions and procedures in the PL/SQL package MDSYS.SDO_TOPO.

Chapter 4, "SDO_TOPO_MAP Package Subprograms"

Provides reference information about functions and procedures in the PL/SQL package MDSYS.SDO_TOPO_MAP.

Part II, "Network Data Model"

Contains chapters with conceptual, usage, and reference information about the network data model of Oracle Spatial.

Chapter 5, "Network Data Model Overview"

Provides conceptual and usage information about the network data model.

Chapter 6, "SDO_NET Package Subprograms"

Provides reference information about functions and procedures in the PL/SQL package MDSYS.SDO_NET.

Chapter 7, "SDO_NET_MEM Package Subprograms"

Provides reference information about functions and procedures in the PL/SQL package MDSYS.SDO_NET_MEM.

Related Documentation

For more information, see Oracle Spatial User's Guide and Reference.

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Conventions

In examples, an implied carriage return occurs at the end of each line, unless otherwise noted. You must press the Return key at the end of a line of input.

The following conventions are used in this guide:

Convention Meaning
. . . Horizontal ellipsis points in statements or commands mean that parts of the statement or command not directly related to the example have been omitted.
boldface text Boldface text indicates a term defined in the text.
monospace text Monospace text is used for the names of parameters, files, and directory paths. It is also used for SQL and PL/SQL code examples.
italic text Italic text is used for book titles, emphasis, and some special terms.
< > Angle brackets enclose user-supplied names.
[ ] Brackets enclose optional clauses from which you can choose one or none.