这种实现风格有助于消除重复的数据并(在许多情况下通过联合)提供一致的主数据访问路径。
This implementation style is useful to remove duplicates and provide (in many cases federated) a consistent access path to master data.
不管哪种模式(3nf或Star)，Teradata查询优化器依赖于统计信息帮助确定最佳数据访问路径。
Regardless of schema (3nf or Star), the Teradata query optimizer relies on statistics to help it determine the best way to access data.
如果应用程序中的所有数据访问路径都被执行，那么捕获的信息将包含向数据库发出的完整sql语句列表。
If all the data access paths in the application are executed, then the captured information contains the complete list of SQL statements that are issued to the database.
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