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    • 2. 发明申请
    • Database system management method, database system, database device, and backup program
    • 数据库系统管理方法,数据库系统,数据库设备和备份程序
    • US20070233753A1
    • 2007-10-04
    • US11647049
    • 2006-12-27
    • Kazuhiro TaniguchiTeruyuki GotoToshihide Matsuda
    • Kazuhiro TaniguchiTeruyuki GotoToshihide Matsuda
    • G06F17/30
    • G06F11/1471G06F11/1474G06F2201/80
    • A method manages a database system that includes a first database device whose memory content in a storage area is changed based on a command designated through a network from any business terminal device, and a second database device for storing the same memory content as the first database device as a backup. The method makes the first database device execute: creating and storing a logical log that correlates a command content with a memory content in the storage area every time the process is executed; creating a physical log that correlates a position information about the portion that is changed by the process, the memory content after changing by the process, and a class of the process every time the process is executed; and storing command specifying information that specifies the command corresponding to the physical log with the corresponding physical log every time each physical log is created.
    • 一种方法,其管理数据库系统,所述数据库系统包括:第一数据库装置,其基于通过网络从任何商​​业终端装置指定的命令改变存储区域中的存储器内容;以及第二数据库装置,用于存储与所述第一数据库相同的存储器内容 设备作为备份。 该方法使得第一数据库设备执行:创建和存储逻辑日志,每当执行该过程时,将命令内容与存储区域中的存储器内容相关联; 创建一个物理日志,其使得关于处理中改变的部分的位置信息,改变过程之后的存储器内容以及每次执行该过程的过程类别; 并且每当创建每个物理日志时存储指定与物理日志对应的命令与对应的物理日志的命令指定信息。
    • 3. 发明授权
    • Database system management method, database system, database device, and backup program
    • 数据库系统管理方法,数据库系统,数据库设备和备份程序
    • US07698319B2
    • 2010-04-13
    • US11647049
    • 2006-12-27
    • Kazuhiro TaniguchiTeruyuki GotoToshihide Matsuda
    • Kazuhiro TaniguchiTeruyuki GotoToshihide Matsuda
    • G06F7/00
    • G06F11/1471G06F11/1474G06F2201/80
    • A method manages a database system that includes a first database device whose memory content in a storage area is changed based on a command designated through a network from any business terminal device, and a second database device for storing the same memory content as the first database device as a backup. The method makes the first database device execute: creating and storing a logical log that correlates a command content with a memory content in the storage area every time the process is executed; creating a physical log that correlates a position information about the portion that is changed by the process, the memory content after changing by the process, and a class of the process every time the process is executed; and storing command specifying information that specifies the command corresponding to the physical log with the corresponding physical log every time each physical log is created.
    • 一种方法,其管理数据库系统,所述数据库系统包括:第一数据库装置,其基于通过网络从任何商​​业终端装置指定的命令改变存储区域中的存储器内容;以及第二数据库装置,用于存储与所述第一数据库相同的存储器内容 设备作为备份。 该方法使得第一数据库设备执行:创建和存储逻辑日志,每当执行该过程时,将命令内容与存储区域中的存储器内容相关联; 创建一个物理日志,其使得关于处理中改变的部分的位置信息,改变过程之后的存储器内容以及每次执行该过程的过程类别; 并且每当创建每个物理日志时存储指定与物理日志对应的命令与对应的物理日志的命令指定信息。