In our previous site launch, we spent months building a database of products, opened the doors of the site, and it was just too much product, and not enough interaction with our customer base.
在上一次办网站时，我们花了几个月建立产品的数据库，并在网站上公开，但产品数量太多，我们与客户的交流也不够。
Listing 3 contains this function, which attempts to open the database (if not already opened) and query the database.
清单3包含有这个函数，它尝试打开数据库(如果尚未打开的话)并查询数据库。
If the user chooses to cancel the operation, the database is not opened.
如果用户选择取消此操作，则数据库将不打开。
If the user chooses to cancel the operation, the database is not opened.
如果用户选择取消此操作，则数据库将不打开。
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