1. 程式人生 > >更新表字段,從另一個表中查詢出來

更新表字段,從另一個表中查詢出來

code upd 另一個 查詢 print ng- ble where sql

UPDATE t 
SET t.Premium = (SELECT TOP 1 Max( t2.Premium )
                 FROM dbo.TableName t2
                 WHERE t2.SetId = 2012 AND t2.Id = t.ID)
FROM dbo.TableName t
WHERE t.SetId = 2013

更新表字段,從另一個表中查詢出來