8 Location Tracking Server

The Oracle Spatial location tracking server enables you to define regions, track the movement of objects into or out of those regions, and receive notifications when certain movements occur.

For reference information about location tracking PL/SQL subprograms, see SDO_TRKR Package (Location Tracking).

• About the Location Tracking Server
  As location becomes an increasingly important aspect of our lives, and as location-sensing devices become ubiquitous, there is an increasing demand for applications to be able to monitor subscriber location data continuously. The monitoring of the location data may translate into alerts being generated in the system.
• Location Tracking Set
  The location tracking server tracks a set of moving objects against a known set of regions and generates notifications as required. In this framework, the set of objects and regions is referred to as a tracking set.
• Data Types for the Location Tracking Server
  The PL/SQL subprograms associated with location tracking have parameters of data types that are specific to the location tracking server.
• Data Structures for the Location Tracking Server
  The location tracking server requires the user to specify a tracking set name when the server is created. Based on this name, additional data structures are created.
• Workflow for the Location Tracking Server
  The typical location tracking workflow involves several operations, some required and others optional.