여러개의 컬럼(다중열) 업데이트

UPDATE
    Table_A
SET
    Table_A.col1 = Table_B.col1,
    Table_A.col2 = Table_B.col2
FROM
    Some_Table AS Table_A
    INNER JOIN Other_Table AS Table_B
        ON Table_A.id = Table_B.id
WHERE
    Table_A.col3 = 'cool'

또는

update zTable1
set cValue = x.cValue
from (
        select cFk, cValue from zTable2
) x
where  zTable1.cPk = x.cFk