online_sales_fact
This table describes all the items purchased through the online store front.
	This table describes all the items purchased through the online store front.
| Column Name | Data Type | NULLs | 
| sale_date_key | INTEGER | No | 
| ship_date_key | INTEGER | No | 
| product_key | INTEGER | No | 
| product_version | INTEGER | No | 
| customer_key | INTEGER | No | 
| call_center_key | INTEGER | No | 
| online_page_key | INTEGER | No | 
| shipping_key | INTEGER | No | 
| warehouse_key | INTEGER | No | 
| promotion_key | INTEGER | No | 
| pos_transaction_number | INTEGER | No | 
| sales_quantity | INTEGER | Yes | 
| sales_dollar_amount | FLOAT | Yes | 
| ship_dollar_amount | FLOAT | Yes | 
| net_dollar_amount | FLOAT | Yes | 
| cost_dollar_amount | FLOAT | Yes | 
| gross_profit_dollar_amount | FLOAT | Yes | 
| transaction_type | VARCHAR(16) | Yes |