Chapter 2Creating Database Environment

Organizational strategyChoosing a DBMSPersonalMiniMainframeOracleDB2SQL ServerInformixAdaptive Server Enterprise (Sybase)

DBMS FactorsOperating system supportType of organizationBenchmarksScalabilityAvailability of supporttechnicians

Factors continuedCost of ownershipRelease schedulereferences

TPCTransaction Processing Performance CouncilIndependent, not-for-profit that manages and administers performance benchmark tests

TermsClusteringUse of multiple computing systems working together as a single, highly available systemShared diskShare same devicesShared nothingEach has own private resources

Policies & proceduresNeed to have policies for introducing any new DBMS productHardware issuesCompatibility issuesSecurity issues

Installation IssuesHardware requirementsStorage requirementsCatalogsSystem databaseLog filesStartup or control filesWork files

continuedDefault databasesTemporary database structuresSystem dump and error processing filesDBA databases for monitoring, etc.Memory requirementsBuffer pools data cache that reduce physical I/O requestsProgram cache (SQL, authorizations, database structure blocks)

continuedConfiguring the DBMSConnecting the DBMS to supporting infrastructure softwareNetworksTransaction processing monitorsMessage queuesProgramming languagesSystem softwareJCLWeb serversApplication servers

continuedInstallation verificationEnvironmentsUpgrading DBMS versions & releasesVersion has many changes and new featuresRelease has minor changes and not as many new features

continuedFeatures and complexityComplexity of environmentReputation of vendorSupport policies (older versions)Organization styleDBA staff skill setPlatform supportFall back planning (if new version fails)

continuedMigration verification

DB Standards & ProceduresDatabase naming conventionsUse standard abbreviationsMay tie to application areasRoles & responsibilitiesData standardsOverall policy for data & importanceData ownership & stewardship

Standards continuedRules for data creationMetadata management policyConceptual & logical data modelingEnterprise goalsResponsibility for creating and maintaining logical modelsGuidelines for tool usageData sharing policies

Standards continuedInstructions on how to document physical database changesGuidelines on communication between data administrators and DBAsDatabase Administration standardsSystem administration standardsDatabase application development standards

Standards continuedDatabase security standardsApplication migration and turnover proceduresUnit testingIntegration testingUser acceptance testingQuality assuranceeducation

Standards continuedDesign review guidelinesOperational support standards

DBMS EducationDBMS overview 1 day management levelData modeling & database design for DAs and DBAsDatabase adm technical for DBAs, SAs, and system programmersIntro to SQL all DB users

Education continuedAdvanced DQL DBAs and programmersDatabase Programming application programmers and systems analysts