Point-in-time balances Physical database Aggregation ETL Architecture

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Presentation transcript:

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 91.4904 Ron McFadyen

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 91.4904 Ron McFadyen

Banding tables Page 207-8 Note the non equi-join March 2004 91.4904 Ron McFadyen

Point-in-Time balances Page 208-210 Note the SQL on page 209 March 2004 91.4904 Ron McFadyen

Physical database Partitioning Bit mapped indexes March 2004 91.4904 Ron McFadyen

Shrunken, collapsed, … dimensions Transparency Materialized views Aggregation Shrunken, collapsed, … dimensions Transparency Materialized views March 2004 91.4904 Ron McFadyen

ETL Changed data capture Late-arriving data March 2004 91.4904 Ron McFadyen

Architecture DM vs CIF March 2004 91.4904 Ron McFadyen