inner join update
UPDATE
t1
SET
t1.c1 = t2.c2,
t1.c2 = expression,
...
FROM
t1
[INNER | LEFT] JOIN t2 ON join_predicate
WHERE
where_predicate;
inner join update
UPDATE
t1
SET
t1.c1 = t2.c2,
t1.c2 = expression,
...
FROM
t1
[INNER | LEFT] JOIN t2 ON join_predicate
WHERE
where_predicate;
update with join
UPDATE
first_table ft
JOIN second_table st ON st.some_id = ft.some_id
JOIN third_table tt ON tt.some_id = st.some_id
.....
SET
ft.some_column = some_value
WHERE ft.some_column = 123456 AND st.some_column = 123456
update from select join
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';
SQL update with join
UPDATE D
SET D.Name = 'Computer Science and Engineering'
FROM Department D
INNER JOIN Student S ON D.Id = S.DepartmentId
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