当您编写访问DB2数据的sql语句时，要确保遵循以下三个编码s QL的准则以获得最佳性能。
When you write SQL statements that access DB2 data, be sure to follow these three guidelines for coding SQL for performance.
尽管如此，拙劣编码的 SQL 和应用程序代码仍可能给您带来性能问题，通过学习几条基本准则可以轻易地避免这些问题。
Nevertheless, poorly coded SQL and application code can still give you performance problems that can be easily avoided by learning a few basic guidelines.
其设计说明了可重复使用的面向对象编码的准则和文本索引(极其精妙而丰富的主题)的基本原理。
Its design illustrates principles of reusable object-oriented coding as well as the fundamentals of text indexing (a rich topic with surprising subtleties).
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