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Writing Queries

Writing Queries. UKTC Analytics Workshop February 7 th 2013. UKTC Data Migration Workbench. DEMO. Running Queries. UKTC Analytics Workshop February 7 th 2013. Reporting…. A1 A1234. ‘Find me all patients with X’ QOF, CQI, Statutory reporting, Audit, Research, DSS

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Writing Queries

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  1. Writing Queries UKTC Analytics WorkshopFebruary 7th 2013

  2. UKTC Data Migration Workbench DEMO

  3. Running Queries UKTC Analytics WorkshopFebruary 7th 2013

  4. Reporting… A1 A1234 • ‘Find me all patients with X’ • QOF, CQI, Statutory reporting, Audit, Research, DSS • Newer terminologies (CTV3 or SNOMED) have different way of representing subsumption

  5. Typical Reporting Architecture(example from CTV3) Query Library Query Writer X40Gd% Endocrine disorder  Transitive Closure Table8.5M Rows Hierarchy Table Xa4g7subtype-ofX40Gd ? Clinical Data Data Entry Xa4g7Unstable type I diabetes mellitus NB Some graph databases, or graph-optimised RDBMS servers, include SQL transitivity extensions such as CONNECT BY that mean you don’t have to explicitly build a transitive closure table

  6. UKTC Data Migration Workbench DEMO

  7. How accurate is my resultGarbage in, Garbage Out…

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