douglasabnovato

/* Marvel Heroes and Villains
 Based on the website http://marvel.wikia.com/Main_Page
 with popularity data from http://observationdeck.io9.com/something-i-found-marvel-character-popularity-poll-cb-1568108064 
 and power grid data from http://marvel.wikia.com/Power_Grid#Power
 Collected by: https://www.khanacademy.org/profile/Mentrasto/
 */

CREATE TABLE marvels (ID INTEGER PRIMARY KEY,
    name TEXT,
    popularity INTEGER,

douglasabnovato

/* 
Solar system objects
Adapted from: http://en.wikipedia.org/wiki/List_of_Solar_System_objects_by_size
Collected by: https://www.khanacademy.org/profile/patrick809/programs
*/
CREATE TABLE solar_system_objects(
  body TEXT
, mean_radius NUMERIC         /* km */
, mean_radius_rel NUMERIC     /* relative to earth */
, volume NUMERIC              /* 10^9 km^3 */

douglasabnovato

/*
 Countries and dependent territories, 2020
 Data adapted from
 http://www.worldometers.info/world-population/population-by-country/
 Does not include rows which had "N.A." values, so some territories are missing.
 */

CREATE TABLE countries(
   name                    TEXT PRIMARY KEY,
   population              INTEGER,