①创建触发器NEW_sale_gsaves，实现：当某种商品被客户退货时，即向salerecord表删除记录，那么应在goods表中的库存(Gsaves)自动加上相应salerecord表删除记录的销售数量(Snumber)。②向salerecord删除数据(003,A001,2)，验证goods表中Gsaves是否发生改变。

W are sure that you will find a ready sale ____ this type of new product.

We are hoping for a large sale of our new products because the new car design ______ all the latest safety features. A: illuminates B: scrutinizes C: simulates D: incorporates

W are sure that you will find a ready sale ____ this type of new product. A: Ato B: Bfor C: Con D: Din

Sale by sample includes 3 cases, i.e., sale by the ______ , sale by the ______ and sale by the ______ .

When is the sale over?<br/>—( ) A: It’s only on sale for today. B: The sale is great. C: The sale attracts many people. D: The sale is in downtown.

What is the advertisement mainly about A: The new Super Customer card B: A change in store hours C: The price of some products D: The start of a sale

A yard sale, a garage sale and a moving sale are hold for different purpose.

23. Sale by sample includes sale by seller’s sample, sale by buyer’s sample and sale by duplicate sample.

When is the sale?The sale is from __________ to __________.