sql事务处理回滚及保留点transaction,ROLLBACK

 1 BEGIN   TRANSACTION
 2 INSERT   INTO  Customers(cust_id,cust_name)
 3 VALUES ( ' 100000010 ' , ' Toys_Emporium ' );
 4 SAVE   TRANSACTION   StartOrder;
 5 INSERT   INTO  Orders(order_num,order_date,cust_id)
 6 VALUES ( 20100 , ' 2001/12/1 ' , ' 100000010 ' );
 7 IF   @@ERROR   <>   0   ROLLBACK   TRANSACTION  StartOrder;
 8 INSERT   INTO  OrderItems(order_num,order_item,prod_id,quantity,item_price)
 9 VALUES ( 20010 , 1 , ' BR01 ' , 100 , 5.49 );
10 if   @@ERROR   <>   0   ROLLBACK   TRANSACTION  StartOrder;
11 INSERT   INTO  OrderItems(order_num,order_item,prod_id,quantity,item_price)
12 VALUES ( 20010 , 2 , ' BR03 ' , 100 , 10.49 );
13 IF   @@ERROR   <>   0   ROLLBACK   TRANSACTION  StartOrder;
14 COMMIT   TRANSACTION