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Table 3. The structure of Tables in the SQL Database Containing Imported Geographic Information
| Table Name |
Column Name |
Data Type |
Comment |
|---|
| City |
id |
Integer (4 bytes) |
Primary Key |
| Name |
Character (50 bytes) |
This name will appear in EPRI drop down lists |
| Population |
Integer (4 bytes) |
Not currently used |
| SquareMiles |
Float (8 bytes) |
Not currently used |
| Latitude |
Float (8 bytes) |
Must be in decimal degrees (e.g., 40.807142). A city's latitude and longitude is used in EPRI reports that show where resources are located within a specified distance of a city. |
| Longitude |
Float (8 bytes) |
Must be in decimal degrees (e.g., -71.451875) |
| County |
id |
Integer (4 bytes) |
Primary Key |
| Name |
Character (50 bytes) |
This name will appear in EPRI drop down lists |
| Code |
Character (10 bytes) |
The two digit State FIPS code followed by the three digit county FIPS code (e.g., "42080").1 This code is required to implement EPRI's mapping feature (Section 3.5). |
| Stateid |
Integer (4 bytes) |
A link to the id field in the States table. Populate the State table first in order to get the value for the Stateid field. |
| Population |
Integer (4 bytes) |
Used to compute per-capita calculations in county-based reports |
| SquareMiles |
Float (8 bytes) |
Not currently used |
| Latitude |
Float (8 bytes) |
Not currently used |
| Longitude |
Float (8 bytes) |
Not currently used |
| Minx |
Float (8 bytes) |
Filled in automatically by EPRI |
| Maxx |
Float (8 bytes) |
Filled in automatically by EPRI |
| Miny |
Float (8 bytes) |
Filled in automatically by EPRI |
| Maxy |
Float (8 bytes) |
Filled in automatically by EPRI |
| State |
id |
Integer (4 bytes) |
Primary Key |
| Name |
Character (50 bytes) |
This name will appear in EPRI drop down lists |
| Zip Code |
code |
Character (10 bytes) |
Primary Key; name will appear in EPRI drop down lists |
| Population |
Integer (4 bytes) |
Not currently used |
| SquareMiles |
Float (8 bytes) |
Not currently used |
| Latitude |
Float (8 bytes) |
Must be in decimal degrees. By default, a location's latitude and longitude (Section 4.2) is set equal to the latitude and longitude of the ZIP code assigned to the location. |
| Longitude |
Float (8 bytes) |
Must be in decimal degrees |
1. A list of FIPS codes, by county, is at http://www.itl.nist.gov/fipspubs/co-codes/states.htm.
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5600 Fishers Lane Rockville, MD 20857