70 likes | 195 Views
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
E N D
Writing Queries UKTC Analytics WorkshopFebruary 7th 2013
Running Queries UKTC Analytics WorkshopFebruary 7th 2013
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
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