For an SAP application, DB2 accomplishes storage optimization by dynamically allocating storage space when needed and free space when not needed.
对于SAP应用程序，DB 2完成了存储优化，可在需要时动态分配存储空间，在不需要时释放空间。
By specifying an optimization goal of FIRSTIO, the application can force the optimization of queries to return the output of the first page of results faster.
通过将优化目标指定为FIRSTIO，应用程序可以迫使查询更快地返回第一页结果的输出。
Good design decisions and best practices in application design and implementation provide a sort of preoptimization by eliminating many of the coding issues that might have required optimization.
在应用程序设计和实现过程中应用良好的设计决策和最佳实践可以防止许多可能需要优化的编码问题，从而能够对应用程序执行预先优化。
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