date_dimension
This table contains information about dates.
	This table contains information about dates. It is generated from a file containing correct date/time data.
| Column Name | Data Type | NULLs | 
| date_key | INTEGER | No | 
| date | DATE | Yes | 
| full_date_description | VARCHAR(18) | Yes | 
| day_of_week | VARCHAR(9) | Yes | 
| day_number_in_calendar_month | INTEGER | Yes | 
| day_number_in_calendar_year | INTEGER | Yes | 
| day_number_in_fiscal_month | INTEGER | Yes | 
| day_number_in_fiscal_year | INTEGER | Yes | 
| last_day_in_week_indicator | INTEGER | Yes | 
| last_day_in_month_indicator | INTEGER | Yes | 
| calendar_week_number_in_year | INTEGER | Yes | 
| calendar_month_name | VARCHAR(9) | Yes | 
| calendar_month_number_in_year | INTEGER | Yes | 
| calendar_year_month | CHAR(7) | Yes | 
| calendar_quarter | INTEGER | Yes | 
| calendar_year_quarter | CHAR(7) | Yes | 
| calendar_half_year | INTEGER | Yes | 
| calendar_year | INTEGER | Yes | 
| holiday_indicator | VARCHAR(10) | Yes | 
| weekday_indicator | CHAR(7) | Yes | 
| selling_season | VARCHAR(32) | Yes |