Part 7 Review Questions and Exercises.doc

SOLUTIONSTOREVIEWQUESTIONSANDEXERCISESFORPART7–OBJECTDBMSs(CHAPTERS27–28)SolutionstoReviewQuestionsandExercisesChapter27Object-OrientedDBMSs–ConceptsandDesign 3Chapter28Object-OrientedDBMSs:StandardsandSystems 11Chapter27Object-OrientedDBMSs– DescribethethreegenerationsofDBMSs. workDBMSs. SecondgenerationistherelationalDBMSs. Thirdgenerationistheobject-orientedandobject-relationalDBMSs. -orienteddatamodels. Describethemainmodelingprimitivesofthefunctionaldatamodel. Themainmodelingprimitivesareentitiesandfunctionalrelationships(). WhatisapersistentprogramminglanguageandhowdoesitdifferfromanOODBMS?Alanguagethatprovidesitsuserswiththeabilityto(transparently)essiveexecutionsofaprogram,andevenallowssuchdatatobeusedbydifferentprograms().MaindifferencebetweenPPLandOODBMSisthattheOODBMStendstoprovidemoreDBMS- Discussthedifferencebetweenthetwo-levelstoragemodelusedbyconventionalDBMSsandthesingle-levelstoragemodelusedbyOODBMSs. Howdoesthissingle-ess? Describethemainstrategiesthatcanbeusedtocreatepersistentobjects. Checkpointing,serialization,-basedandallocation-basedpersistence(). Whatispointerswizzling?Discussthedifferentapproachestopointerswizzling. ActionofconvertingOIDstomainmemorypointers(). Describethetypesoftransactionprotocolthatcanbeusefulindesignapplications. Discusswhyversionmanagementmaybeausefulfacilityforsomeapplications. ,thedevelopmentofaparticulardesignisoftenanexperimentalandincrementalprocess,