軟考中級(jí)數(shù)據(jù)庫(kù)系統(tǒng)工程師題庫(kù)Soft-testIntermediateDatabaseSystemEngineerQuestionBank

1.IntroductiontoDatabaseSystems:

-Conceptofadatabasesystem

-Characteristicsandadvantagesofusingadatabasesystem

-Componentsofadatabasesystem(database,DBMS,applicationprograms,users)

-Categoriesofdatabasesystems(relational,hierarchical,network,object-oriented)

-Evolutionofdatabasesystems

-Databasearchitecture(three-tierarchitecture,client/serverarchitecture)

-Databasemodelsandtheirfeatures(relationalmodel,entity-relationshipmodel,object-orientedmodel)

2.DatabaseDesign:

-Conceptual,logical,andphysicaldatabasedesign

-Entity-relationshipmodeling

-Entity-relationshipdiagram(ERD)anditscomponents(entities,attributes,relationships)

-Constraintsindatabasedesign(domainconstraints,entityintegrity,referentialintegrity)

-Normalizationprocess(1NF,2NF,3NF,BCNF)

-Functionaldependenciesandtheirroleinnormalization

-Denormalizationanditsbenefitsanddrawbacks

-Databasedesignmethodologies(top-down,bottom-up)

3.RelationalDatabaseManagementSystem(RDBMS):

-IntroductiontoRDBMSanditscharacteristics

-Relationaldatabaseconcepts(tables,rows,columns,keys)

-StructuredQueryLanguage(SQL)anditscomponents(DDL,DML,DQL)

-BasicSQLoperations(SELECT,INSERT,UPDATE,DELETE)

-SQLdatatypes

-Creating,modifying,anddroppingdatabaseobjects(tables,views,indexes,constraints)

-QueryoptimizationandperformancetuningtechniquesinRDBMS

-Transactionsandconcurrencycontrolmechanisms(ACIDproperties,locking,isolationlevels)

-BackupandrecoverystrategiesinRDBMS

4.DatabaseAdministration:

-Rolesandresponsibilitiesofadatabaseadministrator(DBA)

-Databasesecurityandaccesscontrol(authentication,authorization,encryption)

-Usermanagementandprivilegesinadatabasesystem

-Monitoringandtuningdatabaseperformance

-Disasterrecoveryplanningandimplementation

-Databasebackupandrestorationprocedures

-Databasemaintenanceactivities(checkpoints,integritychecks,statisticsgathering)

-Databasetuningtechniques(indexing,queryoptimization,partitioning)

-Handlingdatabaseerrorsandtroubleshootingtechniques

5.DataWarehouseandBusinessIntelligence:

-Introductiontodatawarehousinganditsbenefits

-Datawarehousearchitecture(ETLprocesses,datamarts,OLAP,metadata)

-Dimensionalmodelingandstarschema

-Datamininganditstechniques(classification,clustering,association,prediction)

-OnlineAnalyticalProcessing(OLAP)anditsoperations(slice-and-dice,drill-down,roll-up)

-BusinessIntelligence(BI)toolsandtheirroleindecisionsupportsystems

-Dataintegrationanddataqualityissuesindatawarehousing

-Datawarehouseimplementationandmaintenance

6.NoSQLDatabases:

-OverviewofNoSQLdatabasesandtheircharacteristics

-DifferenttypesofNoSQLdatabases(document-oriented,key-value,column-family,graph)

-CAPtheoremanditsimplicationsinNoSQLdatabases

-CAPtheoreminthecontextofconsistency,availability,andpartitiontolerance

-UsecasesandadvantagesofusingNoSQLdatabases

-QueryinganddatamodelinginNoSQLdatabases

-Scalabilityandfault-toleranceinNoSQLdatabases

-NoSQLdatabaseadministrationandperformancetuning

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