Data Structure and Database Technique 数据结构与数据库技术
Now we must create the table structure in the database, which also wipes out the existing tables and data (if there's any) and start from scratch.
现在我们必须在数据库中创建表结构，这也会清除现有表和数据(如果有的话)，并从头开始。
It offers many new features for application developers, hierarchical data structure support, and improved query capabilities across multiple instances of the database.
它提供了很多面向应用程序开发人员的新特性、分层数据结构支持和改进的跨多个数据库实例的查询能力。
The database structure needs to hold the survey results and then enable you to query and report on the data that has been stored.
数据库结构需要能够保存问卷调查的结果，然后允许您对所存储的数据进行查询和报告。
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