一个只有两层的简单数据库方案不太可能达到上述性能需求。
A simple two tier database-only approach is not likely to achieve the performance requirements outlined above.
我使用一个大约包含300万条记录的简单数据库(参见清单1)—包含全世界各个国家、地区和城市。
I worked with a simple database (see Listing 1) that includes the countries, regions, and cities of the world-about three million records.
假设有一个英文词典的简单数据库。
Imagine for a moment that you have a simple database representing a dictionary of English words.
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