team 1: changed database names, rearranged ddl to work
team 1: fix formatting of dates, incomplete data, and insert dependency order
team 2: re-arranged ddl to align with dependency order (not required b/c FKs added after CREATE)
team 2: phone numbers are not good int types, varchar better for nominal values
team 2: now loading after minor syntax fix
team 3: minor tweaks, sql works on first shot!
renamed files after teams