Progressive transaction recovery in distributed DB/DC systems
IEEE Transactions on Computers - Special Issue on Real-Time Systems
Segment-based recovery: write-ahead logging revisited
Proceedings of the VLDB Endowment
Online, non-blocking relational schema changes
EDBT'06 Proceedings of the 10th international conference on Advances in Database Technology
Non-blocking materialized view creation and transformation of schemas
ADBIS'06 Proceedings of the 10th East European conference on Advances in Databases and Information Systems
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This paper presents the various forms of data recovery provided by IBM Database 2 (DB2). It describes the DB2 recovery log, introduces the notion of a unit of recovery, and discusses the two-phase commit protocol used by DB2. Furthermore, it describes what type of information is logged, the DB2 checkpoint process, what a compensation log record is, and how DB2 handles undo/redo processing, media recovery, restart after abnormal system termination, and data unavailability.