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Weak entity sets cont - PowerPoint PPT Presentation

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Chapter 7: Entity-Relationship Model

Chapter 7: Entity-Relationship Model

Chapter 7: Entity-Relationship Model. Chapter 7: Entity-Relationship Model. Design Process Modeling Constraints E-R Diagram Design Issues Weak Entity Sets Extended E-R Features Design of the Bank Database Reduction to Relation Schemas Database Design UML. Modeling.

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1.27k views • 102 slides
Chapter 7: Entity-Relationship Model

Chapter 7: Entity-Relationship Model

Chapter 7: Entity-Relationship Model. Chapter 7: Entity-Relationship Model. Design Process Modeling Constraints E-R Diagram Design Issues Weak Entity Sets Extended E-R Features Design of the Bank Database Reduction to Relation Schemas Database Design UML. Modeling.

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1.27k views • 102 slides
Chapter 7: Entity-Relationship Model

Chapter 7: Entity-Relationship Model

Chapter 7: Entity-Relationship Model. Chapter 7: Entity-Relationship Model. Design Process Modeling Constraints E-R Diagram Design Issues Weak Entity Sets Extended E-R Features Design of the Bank Database Reduction to Relation Schemas Database Design UML. Modeling.

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1.06k views • 102 slides
Chapter 6: Entity-Relationship Model

Chapter 6: Entity-Relationship Model

Chapter 6: Entity-Relationship Model. Chapter 6: Entity-Relationship Model. Design Process Modeling Constraints E-R Diagram Design Issues Weak Entity Sets Extended E-R Features Design of the Bank Database Reduction to Relation Schemas Database Design UML. Modeling.

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993 views • 84 slides
Chapter 2: Entity-Relationship Model

Chapter 2: Entity-Relationship Model

Chapter 2: Entity-Relationship Model. Chapter 2: Entity-Relationship Model. Design Process Modeling Constraints E-R Diagram Design Issues Weak Entity Sets Design of the Bank Database Reduction to Relation Schemas Database Design UML. Modeling. A database can be modeled as:

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813 views • 77 slides
Chapter 7: Entity-Relationship Model

Chapter 7: Entity-Relationship Model

Chapter 7: Entity-Relationship Model. Chapter 7: Entity-Relationship Model. Design Process Modeling Constraints E-R Diagram Design Issues Weak Entity Sets Extended E-R Features Design of the Bank Database Reduction to Relation Schemas Database Design UML. Modeling.

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728 views • 52 slides
History of Database Systems

History of Database Systems

History of Database Systems. 1950s and early 1960s: Data processing using magnetic tapes for storage Tapes provide only sequential access Punched cards for input Late 1960s and 1970s: Hard disks allow direct access to data Network and hierarchical data models in widespread use

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2.93k views • 47 slides

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