Prices Cannot Be Negative
Design the prices table so invalid amounts cannot enter the database. It needs id as the primary key and required amount as numeric; amount must satisfy amount >= 0.
CREATE/ALTER/DROP biss — l-ebda SELECT fl-aħħar mhu meħtieġ.
Idħol biex tara l-istorja tas-sottomissjonijiet
IdħolIdħol biex tuża l-Mentor tal-AI
IdħolL-ebda skema tal-bidu
Dan l-eżerċizzju jibda mingħajr tabelli — toħloqhom permezz ta' CREATE TABLE.