| Field Name | Field Meaning | Example |
| Code | A two letter unique key | us |
| Name | A human readable name | United States |
| Area | Area in square miles | 3701422 |
| Pop | Population | 272639616 |
| Pop_Growth | Growth of population per year | 0.01 |
| GDP | Gross Domestic Product | 8511.00 |
| GDP_Growth | Growth in GDP per year | 0.04 |
| Exports | Exports in Billions | 663.0 |
| Imports | Imports in Billions | 912.0 |
| Gov_Revenue | Central gov revenue in billions US$ | 1722.0 |
| Gov_Exp | Central gov spending in billion US$ | 1653.00 |
| Inflation | Rate of inflation | 0.02 |
| Debt | Central gov debt in billion US$ | 862.00?? |
| Military | Military spending in billion US$ | 267.20 |
| Latitude | A spot near the center of the nation | 38.00 |
| Longitude | A spot near the center of the nation | -97.00 |
| Literacy | Rate of literacy among adults (blank) | 0.00 |
| Arable_Pct | Percent of land that is arable (blank) | 0.00 |
| Map | What map would you find this nation on? | North America |
Table Religions
| Field Name | Field Meaning | Example |
| Code | A two letter key, matches table nations | us |
| Religion | The religion for this record | Christian |
| Percent | The percent of people from that nation of that religion | 84.00 |
Table borders
| Field Name | Field Meaning | Example |
| Code1 | One of the nations sharing the border | us |
| Code2 | The other nation sharing the border | ca |
| Length | How long is the border in miles | 5513.66 |
Table polygons
| Field Name | Field Meaning | Example |
| Code | The two letter code for the nation. Matches with nations.Code | af |
| Polygon | The number of a polygon in the edges table. The nation "xx" is composed of all polygons with code = "xx". Matches with edges.Polygon | 23 |
Table Edges
| Field Name | Field Meaning | Example |
| Polygon | The number of this polygon. Matches with edges.Polygon | 23 |
| Edge | The order the points should be joined together. The polygon goes from point=1 to point=2 .. | 1 |
| Latitude | The latitiude of the point. Negative is the southern hemisphere. | -23.03 |
| Longitude | The Longitude of the point. Negative is the western hemispere. | -12.51 |
Examples
select name, area from nations where code = "fr";
select count(Code2) from borders where Code1 = "us";
select sum(Length) from borders where Code1 = "us";
select name, area, Religions, Percent from nations, Religions where
Religions.code = nations.code;
select nation.Pop, nations.Code, Religions.Religion, nation.Pop*Religions.Percent/100
from Religions, nations where nations.code = "us" and Religions.code =
nations.code;
select Code1, Code2, Length from borders where Code1 = "ch" order by
Length desc; (asc would be the other order)
Questions:
Which is bigger, Canada or Mexico?
What is the most populus nation?
Which spends more on the military, Russia or China?
Which has more people, Canada or the United Kingdom?
What nations have a government surplus (spending less than revenue)?
What is the longest border in the world?
Which nations have more people that the U.S.?
How many nations border Russia, and what are their names (not codes).
Which is more crowded (people per sq mile) America or Mexico?
If A has a border in the border table with B, does B also have a border with A? For example, if (us, ca, 5513.66) is in the table, is (ca, us, 5513.66)?
How many Americans are Jewish?