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    • 1. 发明授权
    • Method of database conversion including data verification
    • 数据库转换方法,包括数据验证
    • US6081811A
    • 2000-06-27
    • US795928
    • 1997-02-05
    • Ingvar Nilsson
    • Ingvar Nilsson
    • G06F17/30
    • G06F17/30569Y10S707/99931Y10S707/99943Y10S707/99952Y10S707/99953
    • The present invention relates to a new database handling protocol for function changing of data from an old database (202) to a new database (204). The protocol solves those problems that occur when large quantities of data shall be converted from one database to another database. The new protocol is divided into different phases. A specification phase involves creating data which specifies the configuration of the new database (204). A declaration phase (A) involves creating conversion directives, writing these directives and inserting the directives into a conversion record storage block (208). A read-in phase (B) involves reading the conversion directives into an operating system (210). A read-out phase (C) involves reading data from the existing database into the operating system. A conversion phase (D) involves converting data in accordance with the conversion directives. An insertion phase (E) involves inserting converted data into the new database. The read-out, conversion and insertion phases are repeated until the whole of the database has been processed. The latter four phases are handled by the operating system (210). The new database is verified in a verification phase (F) to ascertain that the database is consistent.
    • 本发明涉及用于从旧数据库(202)到新数据库(204)的数据功能改变的新的数据库处理协议。 协议解决了当大量数据从一个数据库转换到另一个数据库时发生的问题。 新协议分为不同阶段。 规范阶段涉及创建指定新数据库(204)的配置的数据。 声明阶段(A)涉及创建转换指令,编写这些指令并将指令插入转换记录存储块(208)。 读入阶段(B)涉及将转换指令读入操作系统(210)。 读取阶段(C)涉及将数据从现有数据库读取到操作系统中。 转换阶段(D)涉及根据转换指令转换数据。 插入阶段(E)涉及将转换的数据插入新的数据库。 重复读取,转换和插入阶段,直到整个数据库被处理完毕。 后四个阶段由操作系统(210)处理。 在验证阶段(F)中验证新数据库,以确定数据库是否一致。