'Row type' diaporamas de présentation

Using extensibility in everyday applications

Using extensibility in everyday applications. Carlton Doe Consulting IT Specialist, IBM Dallas, TX. ISBN 0-13-605296-7. ISBN 0-13-080533-5. Who I Am. 12 + years of experience as DBA and engine admin mainly in retail environments

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Chapter 8 The Enhanced Entity-Relationship Model and the Object-Relational Model

Chapter 8 The Enhanced Entity-Relationship Model and the Object-Relational Model. Spring 2014. Why Extend the E-R Model?. E-R suitable for traditional business applications E-R not semantically rich enough for advanced applications Applications where E-R is inadequate

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Chapter 9: Object-Relational Databases

Chapter 9: Object-Relational Databases. Nested Relations Complex Types and Object Orientation Querying with Complex Types Creation of Complex Values and Objects Comparison of Object-Oriented and Object-Relational Databases. Object-Relational Data Models.

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Object-relational Databases

Object-relational Databases. Extend relational databases with OO features. Recently seen (Meijer, Bierman: CACM 4/11). A great deal of confusion : expect huge changes 100M programmers , cloud , new HW, big data , globalization

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Why Object-Oriented DBMS?

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Why Object-Oriented DBMS?

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Object Oriented Database

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Object Oriented Database

Object Oriented Database. Group 4 Mathieu Metz Palani Kumaresan Napa Gavinlertvatana Kristine Pei Keow Lee Prabhu Ramachandran. Outline. Object definitions Object Structures Object-oriented concepts OODBS OQL with an example SQL3 with examples. Definition of an object.

337 views • 22 slides

Object Oriented Database

Object Oriented Database. Group 4 Mathieu Metz Palani Kumaresan Napa Gavinlertvatana Kristine Pei Keow Lee Prabhu Ramachandran. Outline. Object definitions Object Structures Object-oriented concepts OODBS OQL with an example SQL3 with examples. Definition of an object.

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Object-Relational Databases

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Object Oriented Database

Object Oriented Database. Object-Oriented Concepts. Abstract Data Types Class definition, provides extension to complex attribute types Encapsulation Implementation of operations and object structure hidden Inheritance Sharing of data within hierarchy scope, supports code reusability

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Row Types in SQL-3

Row Types in SQL-3. Row types define types for tuples, and they can be nested. CREATE ROW TYPE AddressType{ street CHAR(50), city CHAR(25), zipcode CHAR(10) } CREATE ROW TYPE PersonType{ name CHAR(30), address AddressType,

298 views • 10 slides