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PVLDB
2008
105views more  PVLDB 2008»
13 years 4 months ago
Transaction time indexing with version compression
Immortal DB is a transaction time database system designed to enable high performance for temporal applications. It is built into a commercial database engine, Microsoft SQL Serve...
David B. Lomet, Mingsheng Hong, Rimma V. Nehme, Ru...
ICDE
2006
IEEE
133views Database» more  ICDE 2006»
13 years 10 months ago
Transaction Time Support Inside a Database Engine
Transaction time databases retain and provide access to prior states of a database. An update “inserts” a new record while preserving the old version. Immortal DB builds trans...
David B. Lomet, Roger S. Barga, Mohamed F. Mokbel,...
ICDE
2009
IEEE
120views Database» more  ICDE 2009»
14 years 6 months ago
Improving Transaction-Time DBMS Performance and Functionality
Immortal DB is a transaction time database system that is built into a commercial database system rather than being layered on top. This enables it to have performance that is very...
David B. Lomet, Feifei Li