'Object relational' diaporamas de présentation

Eurydike ( ???????? ) Schemaless Object Relational SQL Mapper

Georg Heeg eK. Eurydike ( ???????? ) Schemaless Object Relational SQL Mapper. Eurydike. E asily U sable R elational Y obbish D atabase I ntuitive K eymappingless E nvironment. Objects. Smalltalk Objects live Objects respond to messages Objects have identity. Persistence.

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Database Systems

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XML e basi di dati

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Introduction to database technology

Introduction to database technology. (Based on Chapters 1-2 in Fundamentals of Database Systems by Elmasri and Navathe, Ed. 4). 1 Basic Definitions 2 Example of a Database 3 Data Models 3A. History of data Models 3B. Network Data Model 3C. Hierarchical Data Model.

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Object-Relational and Nested-Relational Databases By Dr. Akhtar Ali

Extensions to Relational Databases. Object-Relational and Nested-Relational Databases By Dr. Akhtar Ali. Lecture Theme. The need for extensions in Relational Data Model Classification of database systems Introduce extensions to the basic relational model, namely Object-Relational

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Schedule

Schedule. Nov. 6 (T) Transactions, Authorization. Read Sections 8.6-8.7. Nov. 8 (TH) Object-Oriented Database Design. Read Sections 4.1-4.4. Project Part 5 due on Sunday night. Nov. 13 (T) Object-Relational, Object Queries (OQL). Read Sections 4.5, 9.1. Assignment 6 due. (No office hours.)

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Object-Relational Model

Object-Relational Model. Review: Data Models. Hierarchical Network ER (Pure) Relational (Pure) Object-oriented (ODMG) Object-relational (since SQL:1999) Semistructured (XML). Two Approaches to OO+DB. The OO community: pure OO The SQL community: bring the best of OO into RDB world.

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DATABASE & INFORMATION MODELS

DATABASE & INFORMATION MODELS. Data vs Information. Data : Collection of letters, numbers or facts Information : Processed data that provides value. What is Database ?. A database is a repository of data, designed to support efficient data storage, retrieval and maintenance

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Additional ODL Concepts OO Model to Relational Model Object-Relational Design OO vs OR

Additional ODL Concepts OO Model to Relational Model Object-Relational Design OO vs OR. Text. New edition/complete book: Section 4.3-4.5 Old edition: 2.4.1, 2.4.2 2.5.2, 2.5.5 3.2 (all subsections) 3.4.1. Topics. More on type: Bag, set, and list Array, dictionary, and structures

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Object-Relational and Nested-Relational Databases By Dr. Akhtar Ali

Extensions to Relational Databases. Object-Relational and Nested-Relational Databases By Dr. Akhtar Ali. Lecture Theme & References. Theme The need for extensions in Relational Data Model (RDM) Classification of database systems Extensions to RDM, namely Object-Relational

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Advanced Database Systems Module 6 Object Oriented and Object Relational

Advanced Database Systems Module 6 Object Oriented and Object Relational. School of Computer Information Engineering S HANDONG F INANCE I NSTITUTE. Objectives. Why ORDB (Object-Relational Database) Compare and Contrast OODB with ORDB What is the Object-Relational Model.

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Identified Neuron Database Design and Implementation Issues

Identified Neuron Database Design and Implementation Issues. Raj Sunderraman Department of Computer Science Georgia State University December 17, 2004. Outline. Requirements Database Design Issues Implementation Options Object-Oriented Relational Object-Relational Native XML

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Object-Oriented Methods: Database Technology

Object-Oriented Methods: Database Technology. An introduction. Lecture Overview. Background Database Relational versus OO Solutions for Object Persistence Object-Oriented Database Object-Relational Commercially available products. Database systems. Primary purpose:

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Object-Oriented Databases

Object-Oriented Databases. Record-oriented data models are powerful when applied to traditional database applications However in a relational model, data is organized as a flat tuple the schema are relatively static

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Revision and Exam Briefing

Revision and Exam Briefing. M. Akhtar Ali School of CEIS. Agenda. Query optimization Object-relational and object-oriented databases. Query optimization. SQL Query: SELECT C.fName, C.lName, P.street, P.city, P.rooms, P.rent FROM PropertyForRent P, Client C, Viewing V

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Database Systems

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Database Systems

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Chapter 22

Chapter 22. Object-Relational and Extended-Relational Systems. Overview of SQL and Its Object-Relational Features. The SQL Standard and Its Components Object-Relational Support in SQL-99 Some New Operations and Features in SQL. Evolution and Current Trends of Database Technology.

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Spatial Data Type Definitions in ORDB Abstract Data Types (ADT)

Spatial Data Type Definitions in ORDB Abstract Data Types (ADT). Defining Spatial Data Types in SQL3. SQL3 User defined data type -Overview CREATE TYPE statements Defines a new data types Attributes and methods are defined Separate statements for interface and implementation

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The Clash of the (database) Cultures

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