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Mysql update one table from another table multiple columns

Mysql change value

UPDATE [LOW_PRIORITY] [IGNORE] table_name 
SET 
    column_name1 = expr1,
    column_name2 = expr2,
    ...
[WHERE
    condition];

6

Update all rows mysql

UPDATE tableName SET columnName = yourValue;
#to update multiple columns:
UPDATE tableName SET column1 = value1, column2 = value2; #and so on

2

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

0

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)

0

Source: stackoverflow.com

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