Data processing: database and file management or data structures – File or database maintenance – Database archive
Reexamination Certificate
2007-06-29
2010-12-14
Trujillo, James (Department: 2159)
Data processing: database and file management or data structures
File or database maintenance
Database archive
Reexamination Certificate
active
07853569
ABSTRACT:
Techniques for operating an archival database, referred to as a historian, are disclosed. Embodiments of the invention provide techniques for synchronizing historical archive files and/or archival data between a primary and a secondary historian used to archive data values from a real-time database. The real-time database may be used to monitor the current operational state of a large industrial system, such as a pipeline. In turn, the historian may be used to archive the data stored by the real-time database. In the event that either the primary or the secondary system (or both) goes down and then comes back online at a later time, embodiments of the invention may be used to synchronize data between the primary and secondary historian systems.
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Momin Emtiaz A.
Mukhi Sultan Q.
Vinta Prabhakara R.
Air Liquide Large Industries U.S. LP
Holguin Donna Blalock
Mina Fatima P
Trujillo James
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