SQL update select结合语句详解及应用

UPDATE TABLE_NAME
SET column_name1 = VALUE WHRER column_name2 = VALUE

INSERT INTO table1
(c1, c2, c3)
(SELECT v1, v2, v3 FROM table2)

UPDATE table1 alias
SET (column_name,column_name ) = (
SELECT (column_name, column_name)
FROM table2
WHERE column_name = alias.column_name)
WHERE column_name = VALUE

id  name 
1   王 
2   李 
3   张

id ClientName 
1 
2 
3

UPDATE b  SET  ClientName  = a.name  FROM a,b  WHERE a.id = b.id

UPDATE b  SET  (ClientName)  =  (SELECT name FROM a WHERE b.id = a.id)

UPDATE T_OrderForm SET T_OrderForm.SellerID =B.L_TUserID
FROM T_OrderForm A LEFT JOIN T_ProductInfo  B ON B.L_ID=A.ProductID

UPDATE A SET (A1, A2, A3) = (SELECT B1, B2, B3 FROM B WHERE A.ID = B.ID)

UPDATE A SET A1 = B1, A2 = B2, A3 = B3 FROM A LEFT JOIN B ON A.ID = B.ID

UPDATE A SET A1 = B1, A2 = B2, A3 = B3 FROM A, B WHERE A.ID = B.ID

UPDATE A SET (A1, A2, A3) = (SELECT B1, B2, B3 FROM B WHERE A.ID = B.ID)
WHERE ID IN (SELECT B.ID FROM B WHERE A.ID = B.ID)