One Primary Address
Design the addresses table for user addresses. It must store id as the primary key, user_id, and the is_primary flag; a user may have many addresses, but the database must prevent more than one row with is_primary = true for the same user_id.
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.