update two tables in single query in mysql code example
Example 1: mysql update two tables at once
UPDATE t1 LEFT JOIN t2 ON t1.id = t2.f_key
SET t1.value = t1.value + 1,
t2.value = t2.value + 1
WHERE t1.id = condition
Example 2: mysql update one table from another table multiple columns
update tabe2 set subject_id = (SELECT GROUP_CONCAT(sub_id SEPARATOR ', ') as sub_id FROM tabe1)