mysql update with join

62

inner join in update query mysql -

UPDATE business AS b
INNER JOIN business_geocode AS g ON b.business_id = g.business_id
SET b.mapx = g.latitude,
  b.mapy = g.longitude
WHERE  (b.mapx = '' or b.mapx = 0) and
  g.latitude > 0

join in update query in mysql -

UPDATE employees
    LEFT JOIN
    merits ON employees.performance = merits.performance 
SET 
    salary = salary + salary * 0.015
WHERE
    merits.percentage IS NULL;Code language: SQL (Structured Query Language) (sql)

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