Employee hierarchy
Design an employees table: an id, a name and a manager. The manager is a reference to another employee in the same table (the director has none). Columns: id — primary key; name — required; manager_id — references employees.
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.