1 UPDATE
2 first_table ft
3 JOIN second_table st ON st.some_id = ft.some_id
4 JOIN third_table tt ON tt.some_id = st.some_id
5 .....
6 SET
7 ft.some_column = some_value
8 WHERE ft.some_column = 123456 AND st.some_column = 123456
9
1UPDATE t1
2SET t1.COL1 = t2.COL1, t1.COL2 = t2.COL2
3FROM MY_TABLE AS t1
4JOIN MY_OTHER_TABLE AS t2 ON t1.COLID = t2.ID
5WHERE t1.COL3 = 'OK';