retrieve_data_from_the_table_有道手机词典

1.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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2.To retrieve structured type data from a table, there must be some way to convert that type into a single scalar value whose type, in turn, must be based on one of the built-in DB2 data types.
为了从表中检索结构化类型数据，必须有一些将类型转换成一个标量值，换句话说，这些值的类型必须基于某种内置的 DB2 数据类型。
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3.With the table now populated with data and a means to access it, retrieve the amount overdue from account 12345.
现在表中已经填充了数据，并且可以使用某种方式访问它，那么现在从帐户12345中检索过期时间量。
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