cticeSetР РChapter14DatabasesР14.1DatabaseManagementSystemР14.2ArchitectureРInternalLevelРConceptualLevelРExternalLevelР14.3DatabaseModelsРHierarchicalModelРNetworkModelРRelationalModelР14.4RelationalModelРRelationР14.5OperationsonRelationsРInsertРDeleteРUpdateРSelectРProjectРJoinРUnionРIntersectionРDifferenceР14.6StructuredQueryLanguageРStatementsР14.7OtherDatabaseModelsРDistributedDatabasesРObject-OrientedDatabasesР14.8KeyTermsР14.9SummaryР14.10PracticeSetРPartVADVANCEDTOPICSР РpressionР15.pressionРRun-LengthEncodingРHuffmanCodingРLempelZivEncodingР15.pressionMethodsРpression:JPEGРpression:MPEGР15.3KeyTermsР15.4SummaryР15.5PracticeSetР РChapter16SecurityРPrivacyРAuthenticationРIntegrityРNonrepudiationР16.1PrivacyРEncryption/DecryptionРbinationР16.2DigitalSignatureРSigningtheWholeDocument