In this example, you learn how to remove old items from a productinventoryby selectively removing rows from your database.
在本例中，您将了解如何通过有选择性地从数据库中删除行把旧项目从产品存货清单中删除。
2
You do a search, click on a blue dot to see if a product is near by and then you can check inventory.
你去搜索一个产品，然后点击蓝色的点来看产品是否在当地商店有销售并且检查是否在库。
3
And with anti-theft RFID tags on every product, the manager can call up a snapshot of his sales and inventory, or track incoming deliveries by sat nav.