mysql select query join two tables 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: mysql two joins

SELECT areas.name AS aname, COUNT(consultants.active) AS cct 
    FROM areas 
    LEFT JOIN consAreas 
      ON consAreas.area = areas.id 
    LEFT JOIN consultants 
      ON consultants.id = consAreas.cons
   WHERE areas.areaID = $area 
     AND consultants.active = 1
GROUP BY areas.name
ORDER BY areas.name

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Sql Example

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