Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2007-02-13
2007-02-13
Pannala, Sathyanarayan (Department: 2164)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000, C707S793000, C709S203000, C370S389000
Reexamination Certificate
active
10360403
ABSTRACT:
In a database apparatus (10), a critical database server (12) includes a primary server (20) supporting a primary database instance and a secondary server (22) supporting a secondary database instance that mirrors the primary database instance. The secondary server (22) generates an acknowledgment signal (60) indicating that a selected critical database transaction (42) is mirrored at the secondary database instance. A plurality of other servers (14, 16, 18) each support a database. A data replicator (30) communicates with the critical database server (12) and the other servers (14, 16, 18) to replicate the selected critical database transaction (42) on at least one of said plurality of other servers (14, 16, 18) responsive to the acknowledgment signal (60).
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Fay Sharpe Fagan Minnich & McKee LLP
Pannala Sathyanarayan
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