这儿的问题是现有应用通过实现数据存取和验证逻辑有效控制了企业数据的访问。
The issue here is that existing applications effectively control enterprise data access through implementation of the data access and validation logic.
此外，数据库可以更好地理解它存储的数据的状态，从而可以生成到数据的更有效和动态的存取路径。
In addition, the database can have a better understanding of the state of the data it stores, and thereby can produce a more efficient and dynamic access path to the data.
它分析sql语句并确定可以满足每条语句的最有效的存取路径(请参阅图1)。
It analyzes SQL statements and determines the most efficient access path available for satisfying each statement (see Figure 1).
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