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Published byHector Quinn Modified over 5 years ago
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Point-in-time balances Physical database Aggregation ETL Architecture
Remaining topics Bridge tables Banding tables Point-in-time balances Physical database Aggregation ETL Architecture And on March 17 … guest speaker March 2004 Ron McFadyen
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With weighting factors P 205 multiple customers per account -Fig 9.3
Bridge tables With weighting factors P 205 multiple customers per account -Fig 9.3 P 262 multiple diagnoses -Fig 13.3, 13.4 P 312 standard industry classifications P 318 insured driver dimension -Fig 15.5 –mentions begin/end dates for relationships Note the PK used in these cases March 2004 Ron McFadyen
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Banding tables Page 207-8 Note the non equi-join March 2004
Ron McFadyen
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Point-in-Time balances
Page Note the SQL on page 209 March 2004 Ron McFadyen
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Physical database Partitioning Bit mapped indexes March 2004
Ron McFadyen
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Shrunken, collapsed, … dimensions Transparency Materialized views
Aggregation Shrunken, collapsed, … dimensions Transparency Materialized views March 2004 Ron McFadyen
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ETL Changed data capture Late-arriving data March 2004
Ron McFadyen
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Architecture DM vs CIF March 2004 Ron McFadyen
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