a query to join two table column in 1 mysql code example

Example 1: mysql join two tables

SELECT user_id, user_name
FROM users
UNION
SELECT organization_id, organization_name
FROM organizations

Example 2: how to join more then 2 column in mysql

SELECT
  s.last_name, s.first_name,
  p.course_code, p.status, p.amount
FROM enrollment e
JOIN student s
  ON s.id=e.student_id
JOIN payment p
  ON p.course_code=e.course_code
    AND p.student_id=e.student_id;

Tags:

Sql Example

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