day01.sql

day02.sql

day03_ex.sql

day03_hr_class.sql

day03_hr_ex.sql

day03_ssg_class.sql

day03_test3.sql

day04_hr_ex.sql

day04_hr_subquery_ex.sql

day04_ssg_class.sql

day05_ssg_class.sql

day05_ssg_ex.sql

day06_ssg_class.sql

day06_ssg_morningEx.sql

day06_ssg_morningEx2.sql

day06_ssg_morningEx3.sql

day07_class.sql

day07_ssg_class.sql