It is parsed and stored in local internal memory, external memory, and the relational database, and rendered on the screen.

解析并存储在本地内部内存、外部内存和关系数据库中，再呈现在屏幕上。

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Like other relational database management systems such as Oracle and SQL Server, Informix has its internal optimizer, which is responsible for selecting the best query execution plan.

与Oracle和SQL Server等其他关系数据库管理系统一样，Informix也有内部优化器，负责选择最佳的查询执行计划。

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