The following SQL statement will retrieve information about the items supplied by suppliers with the supplier IDs in a certain range.
下面的sql语句将检索关于由供应商id介于某个范围的供应商所供应的商品的信息。
You could use a custom SQL statement to retrieve the information, as shown in Listing 12.
可以使用一个定制 SQL 语句来检索此信息，如清单 12 所示。
Without knowing unique attributes of the changed users, it is impossible to construct SQL query statement that retrieve only the changed data from the users table.
在不知道已改变用户的唯一属性的情况下，构造一个SQL声明去users表中重新获取已经改变的数据是可能的。
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