September 2001
Intermediate to advanced
182 pages
4h 16m
English
Content preview from Mining Your Own Business in Telecoms Using DB2 Intelligent Miner for Data
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10 Mining Your Own Business in Telecoms Using DB2 Intelligent Miner for Data
The tasks to be performed on the dedicated OLTP system are optimized for
interactive performance and to handle the transaction oriented tasks in the
day-to-day-business.
The tasks to be performed on the dedicated data warehouse machine require
high batch performance to handle the numerous aggregation, pre calculation,
and query tasks.
2.2.1 Data sources
Data sources can be operational databases, historical data (usually archived on
tapes), external data (for example, from market research companies or from the
Internet), or information from the already existing data warehouse environment.
The data sources can be relational databases from the line of business
applications. ...
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