Refunds Linked to Payments
The table payments(id int primary key) is already available. Create refunds with id as an int primary key, required payment_id as int referencing payments(id), required amount as numeric, and optional reason as text.
Solo CREATE/ALTER/DROP — non serve un SELECT finale.
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AccediNessuno schema iniziale
Questo esercizio parte senza tabelle — le creerai tu tramite CREATE TABLE.