Answers for "update from select sqlite"

update from select sqlite

UPDATE t1
SET t1.COL1 = t2.COL1, t1.COL2 = t2.COL2
FROM MY_TABLE AS t1
JOIN MY_OTHER_TABLE AS t2 ON t1.COLID = t2.ID
WHERE t1.COL3 = 'OK';

update sqlite

UPDATE table
SET column_1 = new_value_1,
    column_2 = new_value_2
WHERE
    search_condition 
ORDER column_or_expression
LIMIT row_count OFFSET offset;

sqlite update where exists

UPDATE employees
SET hire_date = (SELECT departments.start_date
                 FROM departments
                 WHERE departments.department_id = employees.department_id
                 AND departments.department_name = 'HR')
WHERE EXISTS (SELECT *
              FROM departments
              WHERE departments.department_id = employees.department_id
              AND departments.department_name ='HR');