High availability database system using live/load database copies
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jan 10, 2002
app pub date -
Feb 12, 2001
filing date -
Feb 11, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In a computing system, wherein applications access databases to obtain data and the databases are updated from time to time and the applications require consistent data from the databases even while an update is occurring, a first database; a second database, wherein the first database and second database a substantive copies of each other outside of an update period; a database indicator that indicates one of the first and second databases as a live database and the other one of the first and second databases as a load database; a query router for routing queries from application to the live database; and a router switcher for switching the database indicator such that the live database becomes the load database and the load database becomes the live database.
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