sql 语句:
UPDATE table1 SET fieldname1 = table2.fieldname1, [fieldname2 = table2.fieldname2] FROM table2
WHERE table1.Id = table2.Id
sql 语句:
UPDATE table1 SET fieldname1 = table2.fieldname1, [fieldname2 = table2.fieldname2] FROM table2
WHERE table1.Id = table2.Id