The tables in a decision - support database are heavily indexed , and the raw data is frequently preprocessed and organized to support the various types of queries to be used 决策支持数据库中的表建立了大量索引，通常要对原始数据进行预处理和组织，以支持要使用的各种查询。
Cross - platform backup operations , even between different processor types , can be performed as long as the collation of the database is supported by the operating system 只要操作系统支持数据库的排序规则，就可以在不同的平台之间执行备份操作，即使这些平台使用不同的处理器类型。
Very large data bases , santiago de chile , chile , september 1994 , pp . 85 - 95 . 19 bernstein p a , goodman n et al . query processing in a system for distributed database sdd - 1 接着介绍了包括语义浏览器可视化语义映射与注册以及查询重写与分配等一组支持数据库集成和语义信息检索的工具。
In addition to describing the basic architecture of the mysql system , this article offers simple examples in both tcl and c that can start you down the path to developing database - aware web applications 除了描述mysql系统的基本体系结构以外，本文还提供了以tcl和c + +编写的简单示例，帮助您开发支持数据库的web应用。
