Database: university
Tables: country, ranking_system, ranking_criteria, university, university_ranking_year, university_year
Columns (table index, column name): -1, *, 0, id, 0, country name, 1, id, 1, system name, 2, id, 2, ranking system id, 2, criteria name, 3, id, 3, country id, 3, university name, 4, university id, 4, ranking criteria id, 4, year, 4, score, 5, university id, 5, year, 5, number of students, 5, student staff ratio, 5, pct internation student, 5, pct female students
Column types: text, integer, text, integer, text, integer, integer, text, integer, integer, text, integer, integer, integer, integer, integer, integer, integer, real, integer, integer