数据库管理器参数 rqrioblk 控制着联邦系统与数据源之间的通信缓冲区的大小。
The database manager configuration parameter rqrioblk controls the size of the communication buffer between the federated system and the data sources.
为此，在开发自然保护区信息管理系统时，建立了基于关系型数据库的地理数据模型。
Therefore, geographic data model based on relation typed database is established in developing information administrative system of nature reserves.
本文针对数据库管理系统中缓冲区的特殊重要地位，介绍了多缓冲池的配置及自调优的概念。
This paper introduces the concept of configuring and self-tuning multiple buffer pools according to the specialty of the buffer area in DBMS.
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