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4. Get to know the tables – donation
Basic CTE


And finally the last table.


Select all information from the donation table.

Each donation has an id, is associated with a specific project_id, was donated by a specific supporter (supporter_id) in a given amount (amount) on a given day (donated). Additionally, between amount and donated, you can find a column amount_eur, which is amount converted from US dollar to euro. In our model, supporters can donate as much money as they deem appropriate.