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University of Michigan Muon Database Shawn McKee July 21, 1999

University of Michigan Muon Database Shawn McKee July 21, 1999. Motivation to work on core database issues Database types we are exploring Database models we are considering. UM’s Motivation. We have a strong group of interested physicists Homer Neal and Chun Hui

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University of Michigan Muon Database Shawn McKee July 21, 1999

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  1. University of Michigan Muon DatabaseShawn McKeeJuly 21, 1999 • Motivation to work on core database issues • Database types we are exploring • Database models we are considering

  2. UM’s Motivation • We have a strong group of interested physicists • Homer Neal and Chun Hui • Steven Goldfarb (ATLAS Muon database coor.) • Daniel Levin and Shawn McKee • Myron Campbell and Jay Chapman • Databases are at the “core” of what we do • Database work provides understanding of domains and their interfaces (cohesion with other groups) • Crucial to any software effort

  3. Database Types • Production database • Local (Use at Michigan) • Global (Collaboration wide) • Geometry database (Defines MDT subsys.) • Trigger database (ATLAS-wide eventually) • Calibration database (MDT T0, autocalib.) • Event database (simulated, then real)

  4. Database Model Investigations • Production database: • Local UM will be OO (Cristal package-testing) • Global UM will be relational (ACCESS) based upon Rome template • Geometry: AMDB now, will be Objectivity • Trigger: investigating object relational db • Calibration and Event: plan is OO

  5. Summary • Investigation of relation, object relational and object oriented databases underway • Production databases done by year end • Geometry in OO db by year end • Trigger, Event and Calibration db model studies in progress • Document analyzing OO vs relational database and our experiences to ATLAS in September

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