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What is operational data source (ODS)?
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An Operational Data Store (ODS) integrates data from
multiple business operation sources to address operational
problems that span one or more business functions. An ODS
has the following features:
• Subject-oriented — Organized around major subjects
of an organization (customer, product, etc.), not specific
applications (order entry, accounts receivable, etc.).
• Integrated — Presents an integrated image of
subject-oriented data which is pulled from fragmented
operational source systems.
• Current — Contains a snapshot of the current
content of legacy source systems. History is not kept, and
might be moved to the data warehouse for analysis.
• Volatile — Since ODS content is kept current, it
changes frequently. Identical queries run at different
times may yield different results.
• Detailed — ODS data is generally more detailed than
data warehouse data. Summary data is usually not stored in
an ODS; the exact granularity depends on the subject that
is being supported.
| Is This Answer Correct ? | 8 Yes | 0 No |
It is a collection of integrated databases designed to
support operational monitoring. Unlike the OLTP databases
the data in the ODS are integrated, subject oriented and
enterprise wide data.
| Is This Answer Correct ? | 4 Yes | 0 No |
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