Data Content and Structure

The Electoral Boundaries dataset is a feature-based product. A data model is included (Appendix A - Data Model Diagram) with an associated data dictionary (Appendix B - Data Dictionary).

Feature-Based Data

The feature type is a spatial polygon. The table below outlines the features and their integration into related datasets.

Feature descriptions and integration into related datasets table

Entity

Description

Integration

Commonwealth Electoral Boundaries

Commonwealth Electoral captures the boundaries for Commonwealth Electorates.

No integration to other datasets (except State).

It may have many polygons defining its boundary.

State Electoral Boundaries

State Electoral captures the boundaries for State Electorates.

No integration to other datasets (except State).

It may have many polygons defining its boundary.

Feature-Based Application Schema (Data Model)

The Electoral Boundaries dataset Data Model Diagram is set out in Appendix A - Data Model Diagram.

Data Dictionary

The feature catalogue in support of the application schema is provided in Appendix B - Data Dictionary. Spatial attributes are added to the feature catalogue in the same manner as other attributes for completeness and conformance to the application schema. The following table refers to all tables in the Feature Catalogue below.

Feature Catalogue table

Column

Description

Name

The name of the column in the Integrated Database.

Data Type

The data type of the column based on the types defined in ISO 19103:2015. Parentheses capture Scale, Precision and Maximum Length, where applicable.

Description

A description of the column and what the expected contents are.

Primary Key

If ‘Y’ then this column must always have a unique value. (Has # entry in the data model tables).

Mandatory Field

Y = mandatory. If ‘Y’ (mandatory), this column is populated with data.

Foreign Key Table

Represents a table that this column is referred to.

Foreign Key Column

Represents a column in the ‘Foreign Key Table’ that this column is referred to by another table. (has * entry in the data model tables)

10 Character Alias

An alias for this column name - up to 10 characters maximum. Used to define the name of the column when in ESRI Shapefile format.

Feature-Based Content Scope

All geometry and metadata for polygons within the Electoral Boundaries dataset.