The disclosure relates to a system comprising a first and a second database engine and a
replication module. The replication module replicates changes from a first database …

Multi-stream analytics is disclosed. An example method of multi-stream analytics with a
query engine includes punctuating unbounded streaming data into data chunks, each of the …

Techniques are described for efficient query processing and data change propagation to a
secondary database system. The secondary database system may execute queries received …

Embodiments store transaction metadata in dedicated pools of allocated memory chunks.
Portions of the pools of allocated memory chunks are dedicated to the respective apply …

(57) ABSTRACT A refreshable PDB clone is associated with a PDB-specific logical
timestamp (LT) service that continuously reflects the LT of the most recent changes that have …

Techniques related to query execution against an in-memory standby database are
disclosed. A first database includes PF data stored on persistent storage in a persistent …

Elastic message tracking apparatus and methods are provided that opportunistically
improve on the latency of a message processing system and increase the accuracy of a …

BACKGROUND Sometimes, credit crunching in capital markets may involve a reduction in
availability of bank mortgage loans. Some companies may lack options for short-term …

Abstract Information-based decision support may be provided by a query handler configured
to receive a query which is applicable against different combinations of a plurality of remote …

BACKGROUND Computers have become highly integrated in the work force, in the home, in
mobile devices, and many other places. Computers can process massive amounts of …