oracleocpsqlintroduction(英文版)-文庫吧在線文庫
【正文】 . All rights reserved.I27 Copyright 169。 Oracle Corporation, 2023. All rights reserved.Relational Database Management SystemUser tables Data dictionaryOracleserverI23 Copyright 169。 Oracle Corporation, 2023. All rights reserved.? Create an entity relationship diagram from business specifications or narratives? Scenario– “. . . Assign one or more employees to a department . . .”– “. . . Some departments do not yet have assigned employees . . .”Entity Relationship ModelEMPLOYEE* number* nameo job titleDEPARTMENT* number* nameo locationassigned toposed ofI16 Copyright 169。 Oracle Corporation, 2023. All rights reserved.Relational and Object Relational Database Management System? Relational model and object relational model? Userdefined data types and objects? Fully patible with relational database? Support of multimedia and large objects? Highquality database server featuresI8 Copyright 169。I1 Copyright 169。 Oracle Corporation, 2023. All rights reserved.Oracle Inter PlatformClientsSystem managementNetwork servicesDatabases ApplicationserversDevelopment toolsInter applicationsPresentation andbusiness logicBusiness logicand dataAny browser Any FTP clientAny mailclientJavaSQLPL/SQLI9 Copyright 169。 Oracle Corp
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