MySQL SELF JOINS are ... ughhh

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  • Опубликовано: 7 сен 2024
  • #MySQL #tutorial #course
    00:00:00 example 1
    00:05:44 example 2
    00:00:00 conclusion
    SELECT a.first_name, a.last_name,
    CONCAT(b.first_name," ", b.last_name) AS "reports_to"
    FROM employees AS a
    INNER JOIN employees AS b
    ON a.supervisor_id = b.employee_id;

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