Points Of Interest - Opening Hours
This CSV file relates to POI_Main_Listing file through the
poi_id key field.
|poi_id||Unique POI identifier.||STRING|
|day_of_week||Day of week (from 0 = Sunday to 6 = Saturday).||INTEGER|
|period_time||Progressive number of openings per day.||INTEGER|
*The above fields in bold are considered the primary keys of the csv file.