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The document discusses object-based databases and how they extend the relational data model to include object-oriented features like complex data types, inheritance, and reference types. It provides examples of implementing these features in SQL and compares object-oriented and object-relational database models.

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Chapter 9: Object-Based Databases Database System Concepts ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ©Silberschatz, Korth and Sudarshan Database System Concepts
Chapter 9: Object-Based Databases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.2 Database System Concepts - 5 th Edition, Aug 9, 2005.
Object-Relational Data Models ,[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.3 Database System Concepts - 5 th Edition, Aug 9, 2005.
Complex Data Types ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.4 Database System Concepts - 5 th Edition, Aug 9, 2005.
Example of a Nested Relation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.5 Database System Concepts - 5 th Edition, Aug 9, 2005.
4NF Decomposition of Nested Relation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.6 Database System Concepts - 5 th Edition, Aug 9, 2005.
4NF Decomposition of flat – books ©Silberschatz, Korth and Sudarshan 9.7 Database System Concepts - 5 th Edition, Aug 9, 2005.
Problems with 4NF Schema ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.8 Database System Concepts - 5 th Edition, Aug 9, 2005.
Complex Types and SQL:1999 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.9 Database System Concepts - 5 th Edition, Aug 9, 2005.
Structured Types and Inheritance in SQL ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.10 Database System Concepts - 5 th Edition, Aug 9, 2005.
Structured Types (cont.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.11 Database System Concepts - 5 th Edition, Aug 9, 2005.
Methods ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.12 Database System Concepts - 5 th Edition, Aug 9, 2005.
Inheritance ,[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.13 Database System Concepts - 5 th Edition, Aug 9, 2005.
Multiple Inheritance ,[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.14 Database System Concepts - 5 th Edition, Aug 9, 2005.
Consistency Requirements for Subtables ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.15 Database System Concepts - 5 th Edition, Aug 9, 2005.
Array and Multiset Types in SQL ,[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.16 Database System Concepts - 5 th Edition, Aug 9, 2005.
Creation of Collection Values ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.17 Database System Concepts - 5 th Edition, Aug 9, 2005.
Querying Collection-Valued Attributes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.18 Database System Concepts - 5 th Edition, Aug 9, 2005.
Unnesting ,[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.19 Database System Concepts - 5 th Edition, Aug 9, 2005.
Nesting ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.20 Database System Concepts - 5 th Edition, Aug 9, 2005.
1NF Version of Nested Relation 1NF version of books ©Silberschatz, Korth and Sudarshan 9.21 Database System Concepts - 5 th Edition, Aug 9, 2005. flat-books
Nesting (Cont.) ,[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.22 Database System Concepts - 5 th Edition, Aug 9, 2005.
Object-Identity and Reference Types ,[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.23 Database System Concepts - 5 th Edition, Aug 9, 2005.
Initializing Reference-Typed Values ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.24 Database System Concepts - 5 th Edition, Aug 9, 2005.
User Generated Identifiers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.25 Database System Concepts - 5 th Edition, Aug 9, 2005.
User Generated Identifiers (Cont.) ,[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.26 Database System Concepts - 5 th Edition, Aug 9, 2005.
Path Expressions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.27 Database System Concepts - 5 th Edition, Aug 9, 2005.
Implementing O-R Features ,[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.28 Database System Concepts - 5 th Edition, Aug 9, 2005.
Persistent Programming Languages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.29 Database System Concepts - 5 th Edition, Aug 9, 2005.
Object Identity and Pointers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.30 Database System Concepts - 5 th Edition, Aug 9, 2005.
Comparison of O-O and O-R Databases ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],©Silberschatz, Korth and Sudarshan 9.31 Database System Concepts - 5 th Edition, Aug 9, 2005.
End of Chapter Database System Concepts ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ©Silberschatz, Korth and Sudarshan Database System Concepts

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ch9

  • 1. Chapter 9: Object-Based Databases Database System Concepts ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ©Silberschatz, Korth and Sudarshan Database System Concepts
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  • 7. 4NF Decomposition of flat – books ©Silberschatz, Korth and Sudarshan 9.7 Database System Concepts - 5 th Edition, Aug 9, 2005.
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  • 21. 1NF Version of Nested Relation 1NF version of books ©Silberschatz, Korth and Sudarshan 9.21 Database System Concepts - 5 th Edition, Aug 9, 2005. flat-books
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  • 32. End of Chapter Database System Concepts ©Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use ©Silberschatz, Korth and Sudarshan Database System Concepts