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    • 4. 发明授权
    • Effective dating for entity attributes and relationships
    • 实体属性和关系的有效约会
    • US08433692B2
    • 2013-04-30
    • US12848372
    • 2010-08-02
    • Lalit JainLovelesh GuptaGanesh ShivaprakashRabicmeeran KathermytheenBowen WangPeter TungAnil Billapati
    • Lalit JainLovelesh GuptaGanesh ShivaprakashRabicmeeran KathermytheenBowen WangPeter TungAnil Billapati
    • G06F17/30
    • G06F17/30309
    • A method for tracking modifications to tables or relationships. In one embodiment, the method includes updating a first value stored in a first field of a record in a table in response to a database system receiving a first structured query language (SQL) statement from a customer relationship management (CRM) application. A first record is inserted into a history table in response to the first SQL statement, wherein the first record comprises a foreign key field that stores a copy of the primary key of the record, a field that stores a copy of the first value after it is updated, a field that stores a name of the first field, and a first date field. The first date field stores either the date when the first SQL statement was received by the database system, the date of the day that immediately follows the date when the first SQL statement was received by the database system, or a date that was entered into a field of a user interface.
    • 跟踪对表或关系的修改的方法。 在一个实施例中,响应于从客户关系管理(CRM)应用接收到第一结构化查询语言(SQL)语句的数据库系统,该方法包括更新存储在表中记录的第一字段中的第一值。 响应于第一个SQL语句将第一记录插入到历史表中,其中第一记录包括存储记录的主键的副本的外键字段,存储其后的第一个值的副本的字段 被更新,存储第一字段的名称的字段和第一日期字段。 第一个日期字段存储数据库系统接收到第一个SQL语句的日期,数据库系统接收到第一个SQL语句的日期之后的日期,或者输入到 字段的用户界面。
    • 6. 发明授权
    • Network device for supporting construction of virtual local area
networks on arbitrary local and wide area computer networks
    • 用于支持任意本地和广域网计算机网络中虚拟局域网建设的网络设备
    • US6047325A
    • 2000-04-04
    • US138959
    • 1998-08-24
    • Lalit JainMichael T. Ford
    • Lalit JainMichael T. Ford
    • H04L12/46H04L29/06H04L29/12G06F15/00G06F9/44G06F15/40
    • H04L63/0272H04L12/4641H04L29/12009H04L29/12018H04L29/1233H04L61/10H04L61/25H04L63/0428
    • A network device that translates addresses of machines on physically separate networks and filters packets at the link, network and transport layers implements a virtual LAN over interconnected computer networks transparent to the computer networks. Using authentication and encryption, a secure connection between these network devices over a public wide area network implements a virtual private network and enables the definition of virtual LANs over the virtual private network. The network device has three tables for network address translation, routing, and filtering. A controller processes each incoming packet by translating network addresses to determine the destination of the packet, routing the packet to the determined location and filtering the packet according to filters defined for traffic between the source destination of the packet. If the packet is to be directed to a wide area network, encryption and authentication procedures can be provided to ensure secure transmission of the packet.
    • 在物理上分离的网络上转换机器的地址并在链路,网络和传输层过滤数据包的网络设备在通过计算机网络透明的互连的计算机网络上实现虚拟LAN。 使用身份验证和加密,这些网络设备之间通过公共广域网进行的安全连接实现虚拟专用网络,并实现虚拟专用网络上虚拟LAN的定义。 网络设备有三个表,用于网络地址转换,路由和过滤。 控制器通过转换网络地址来确定分组的目的地来处理每个传入的分组,将分组路由到确定的位置,并根据为分组的源目的地之间的业务定义的过滤器过滤分组。 如果分组被引导到广域网,则可以提供加密和认证过程以确保分组的安全传输。