Land Information Ontario (LIO) Warehouse
Data Class Name: Geographic Named Extent
Documentation
Produced by: Information Access and Information Management Policy Unit
Ministry of Natural Resources and Forestry
Date: July 27, 2015
Purpose
This document provides additional information to support the use of geospatial data.
The Physical Model Diagram provides a visual representation of the relationships in the
data class. The Data Change History lists all the modelling and access changes that
have occurred during the lifecycle of the data class. A data description identifying table
and field names is available upon request.
Need Assistance?
Please contact LIO Support at lio@ontario.ca or 705-755-1878 if you require help.
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Data Class Change History
Data Class Name: Geographic Named Extent
Data Class Short Name: GELNAME
Date
YYYY-MM-DD
2011-11-25
2011-11-25
2011-11-25
2011-11-25
2011-11-25
2011-11-25
2011-11-25
2011-11-25
2010
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Details of Change
Added the following columns to accommodate the Corporate
Waterbody Table
> FN2WBY
> Watershed Code
Lookup Table value added to GeoName Status Code
> B14 'Rescinded Name'
> B15 'Former official name'
> B99 'CWT Primary Unofficial Name'
Columns added to Geographic Named Extent table
Table name change:
Changed table name from 'Federal Concise Code' to 'National
Concise Code'
Concrete Class Short Name changed to accommodate the WBS and
IMF implications to applications, we have changed the CC shortname
of this data classes. This is to enable 2 instances of this class to
occur simultaneously in the warehouse.
Added columns which describe geography of the feature including:
> Upper Tier Municipality,
> Lower Tier Municipality
> Single Tier Municipality
> Indian Reserve
> Territorial District
Table dropped: Geog UnitFlattened data class and removed Geog Unit - added a number of
fields to the Geographic Named Extent data class.
Lookup Table Values altered: GeoName Status Codes
> A3 to 'Dual Approval' from 'Dual Approved'
> A12 'Primary Name' from 'Dominant Name'
> Q1 'Ontario Approved Alternate Name' from 'French Alternate'
Change Data Class name
Date
YYYY-MM-DD
Details of Change
2009
New Table GEONAME:
Addition of a Secured Geographic Name table to capture derogatory
and offensive names that are historically significant.
2008
Update Data Class description with new one provided by BDI.
2006
2005
2005
2005
Column Type change:
GEOGRAPHIC_NAME.GEONAME_LANGUAGE_CODE
This field is being modified from a single character string to a 15
character string, and also is being renamed to
GEONAME_LANGUAGE. The current values of E, F and O will be
translated to English, French, and Ogoji-Cree respectively. The new
permissible values for this field are: Cayuga, Cree, Delaware,
Mohawk, Ojibwa, Oneida, Onondaga, Seneca, Tuscarora.
This field will also become part of the key. This change will allow the
same name to be used in multiple languages.
GEOGRAPHIC_NAME_EXTENT data type change from NUMBER()
to NUMBER(10,7)
(ie. 90.0000000)
Data type change: GEOGRAPHICT_NAME_EXTENT from
NUMBER() to NUMBER(10,7)
(ie. 180.0000000)
Column altered:
GEOGRAPHIC_NAME_EXTENT.NTS_50_MAP_NUMBER
Data type change from CHARACTER(13) to CHARACTER(6)
2005
Removed the attribute OFFICIAL NAME IND from table
2002
NEW Data Class
Data Description
Please refer to the metadata record for the data description.
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