John R. HOFFMANN

Method for using chunks of change log data for comparing a source and a target database which are actively being kept in synchronization with each other

Methods for preventing constraint violations at a target database by a database replication system where an application call, or a programmatic call by a database management system, forces a flush of a change log

Apparatus, method, and computer program product for reducing commit latency of pending transactions

Method and apparatus for continuously comparing two databases which are actively being kept synchronized

Apparatus, method, and computer program product for resolving hung transactions

Method and apparatus for resolving target database constraint violations in a database replication system where target database transactions are automatically aborted due to constraints violations

Method and apparatus for using representations of blocks of data when continuously comparing two databases which are actively being kept synchronized

Method and system for using before images of replicated changes from a source database with current target database images read from the target database when continuously comparing two databases which are actively being kept synchronized

Systems and methods to process an erroneously pre-committed transaction on a target database which has been aborted on a source database and replicated from the source database to the target database

Systems and methods to fully process an initially incomplete replicated and committed transaction for a non-static application by using a plurality of transaction pattern tables

Method and system for using before images of changes for continuously comparing two databases which are actively being kept synchronized

Method for replacing a currently operating data replication engine in a bidirectional data replication environment without application downtime and while preserving target database consistency, and by using audit trail tokens that provide a list of active transactions

Systems and methods to fully process an initially incomplete replicated and committed transaction

Method and apparatus for resolving source database precommitted transactions that are replicated to a target database of a database replication system

Method and apparatus for potentially resolving target database constraint violations in a database replication system by replacing, converting or removing deferred database changes

Method and apparatus for resolving target database constraint violations in a database replication system

System for ensuring transactional integrity thereof that includes a plurality of subsystems, one of which takes an action upon a loss of transactional integrity

Method and system for implementing current, consistent, and complete backups

Systems and methods to profile transactions for end-state determination and latency reduction

Method and computer program product for efficiently loading and synchronizing column-oriented databases

Method for replacing a currently operating data replication engine with a new data replication engine without application downtime and while preserving target database consistency

Method of ensuring transactional integrity of a system that includes a plurality of subsystems, one of which takes an action upon a loss of transactional integrity

Method of ensuring transactional integrity of a system that includes a first subsystem and a second subsystem

Method for replacing a currently operating data replication engine with a new data replication engine without application downtime and while preserving target database consistency

Method of controlling whether an uncompleted transaction applied against a database goes forward or is aborted, and for modifying the uncompleted transaction so that it can go forward

Method and apparatus for resolving constraint violations in a database replication system

Method and apparatus for logging non-durable attributes of an uncompleted transaction so as to make such attributes durable

Method of ensuring real-time transaction integrity

Apparatus for ensuring real-time transaction integrity in the indestructible scalable computing cloud

Method of controlling whether an uncompleted transaction applied against a database goes forward or is aborted, and for modifying the uncompleted transaction so that it can go forward

Method of logging non-durable attributes of an uncompleted transaction so as to make such attributes durable

Method of ensuring transactional integrity of a new subsystem that is added to a system that includes a trusted subsystem

Method of ensuring near real-time transaction integrity with rollback of committed transaction upon detection of incorrect transaction processing after the commit

Method of ensuring real-time transaction integrity in the indestructible scalable computing cloud

Source-side merging of distributed transactions prior to replication

Methods for repairing a corrupted database to a new, correct state

Methods for repairing a corrupted database to a new, correct state by selectively using redo and undo operations

Method of ensuring real-time transaction integrity in the cloud

Method of ensuring real-time transaction integrity

Method of controlling whether an uncompleted transaction applied against a database goes forward using either synchronous or asynchronous replication, or using either encrypted replication or unencrypted replication

Methods for returning a corrupted database to a known, correct state by selectively using redo and undo operations

Methods for returning a corrupted database to a known, correct state

Method for replicating explicit locks in a data replication engine

Mixed mode synchronous and asynchronous replication system