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专利名称：DATABASE MANAGEMENT METHOD发明人：Hiroyuki Yamada申请号：US14478610申请日：20140905
公开号：US201403794A1公开日：20141225
专利附图：
摘要：A lower-level master node sends, to a higher-level master node, a table-basedwrite set as a bundle of combinations of a shadow copy of the database and a heap tuplemap expanded in a memory, and the higher-level master node that received the write setverifies whether the update has already been executed and sends the record of this
update to the lower-level master node as a transaction log including a table number,whereby the database can be updated efficiently and consistently from the lower-levelmaster node to the higher-level master node, and from the higher-level master node tothe lower-level master node under its control.
申请人：MURAKUMO CORPORATION
地址：Tokyo JP
国籍：JP
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