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Unleashing DB2 10 for Linux, UNIX, and Windows
book

Unleashing DB2 10 for Linux, UNIX, and Windows

by Danny Arnold, Steve Diniro, Vivian Lee, Stan Musker, Jo-Ann Woods
August 2012
Intermediate to advanced content levelIntermediate to advanced
162 pages
4h 25m
English
IBM Redbooks
Content preview from Unleashing DB2 10 for Linux, UNIX, and Windows
34 Unleashing DB2 10 for Linux, UNIX, and Windows
2.4 Summary
DB2 10 Time Travel Query uses temporal tables to provide the mechanism to
track either business time, system time, or both. Using system time and business
time together in a bitemporal table enables time to be used for business logic
requirements and to provide for data auditing to identify data changes over time.
This combination provides an organization with flexible data analysis over past,
present, and future time periods.
Time Travel Query provides special registers, CURRENT TEMPORAL
BUSINESS_TIME and CURRENT TEMPORAL SYSTEM_TIME, that can be
used to change the current time for a particular query session. This feature
allows database queries as of a point-in-time in the past ...
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Publisher Resources

ISBN: 0738437107Purchase book