Explain data structure
(1) Tables for articles/stocks:
Article (item data): this data can be linked to the following tables (link to standard data):
- Supplier (vendor) 
- Store 
- Assortment Group, and 
- Category (product groups) and 
- Article Tags (specifications of articles e.g. season) and 
- Latest Purchase Price and 
- Latest SalePrice (VP) 
Stock: What stock do we have right now?
- The current stock level is shown here (now). 
(2) Tables for sales data
Link to standard data:
- Customer (customer data) 
- Supplier 
- Store 
- Assortment Group, and 
- Category (product groups) and 
- Article Tags (specifications of articles, e.g. season) and 
- Time (date in different columns) 
Customer (customer data): This data can be linked to the following tables:
- Customer (customer data) 
- Adress Customer (addresses of the customer) 
Line Item (sales booking): Which items were sold on a receipt?
Cash Journal: What individual bookings were made in the cash journal?
- Payment Type: Deposits, Expenses, Differences 
- "Withdraw" are deposits to another account e.g. Bank, Six 
Transaction (totalised payment distribution per receipt)
- How was a receipt paid? Voucher sold/redeemed, card, cash, invoice 
Movement:
- How did you move the items? Sales, article inputs, returns, etc. 
Shift (Cash): this data can be linked to the following tables
- Shift-Instance (daily statement) 
Time (date in different columns): If Transaction, Movements, Line Item are linked to Time, the date can be summed in different columns. Weekday, Month, Hour, Year)

