'Attribute string' presentation slideshows

Object-Oriented Database Languages

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Other High-Level Design Languages

Other High-Level Design Languages. Unified Modeling Language Object Description Language. UML: Introduction. UML was developed originally to describe software designs, and has been extended to describe DB designs. Brief history 1994-96: G. Booch, J. Rumbaugh, I. Jocobson (Rational Software)

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Object-Oriented Database Languages

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Query Processing in a Mediator System for Data and Multimedia

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Other High-Level Design Languages

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Lecture 3

Lecture 3. Object database standards, languages and design. Development of Object-based Systems. Object-Oriented Database Systems An alternative to relational systems Application domains where objects play central role Heavily influenced by object-oriented programming languages

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Chapter 7 The Object-Oriented Model

Chapter 7 The Object-Oriented Model. Spring 2014. Why OO?. Traditional relational model does not represent complex data and relationships well Need support for advanced applications

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The MOMIS approach for Information Integration

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Databases

Databases. CIS 422. Lifetime of Data. Transient results to the evaluations of expression Variables involved in procedure activation Global variables Dynamically allocated variables Data that exists between executions Data that exits between versions Data that outlives a program.

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Information Mediation: Integrating Information from Multiple Information Sources

Information Mediation: Integrating Information from Multiple Information Sources. Naveen Ashish Amit P. Sheth Department of Computer Science and Large Scale Distributed Information Systems Lab University of Georgia, Athens. What is an Information Agent/Mediator ?.

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OQL

OQL. Sixin Qian CS486 Presentation Spring 2000. An Overview of OQL. OQL is an object database query language, and is specified as part of the ODMG standards. OQL is being used as an embedded query language. OQL can also be used as a stand-along query language.

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Advanced Databases The ODMG Standard for Object Databases

Advanced Databases The ODMG Standard for Object Databases. ODMG 3 Object Database Standard. Object Database Management Group, formed 1991, intended to: provide a standard where previously there was none support portability between products move away from single language systems

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Other Data Models

Other Data Models. Text. New edition (DBS the complete book): Chapter 4 Old edition (First course in DBS): Section 2.1 Section 2.3.4 Section 2.4.1, 2.4.2 Section 2.5.2 Section 3.2 (ALL). Emerging Data Models.

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Object-Oriented Databases and the ODMG Standard

Object-Oriented Databases and the ODMG Standard. Problems with Relational Databases. Impedance mismatch between DML and application programming language: different type systems set processing vs. element-at-a-time processing declarative vs. imperative programming paradigms.

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Programs with SQL

Programs with SQL. Host language + Embedded SQL. Preprocessor. Preprocessor. Host Language + function calls. Host language compiler. Host language compiler. Host language program. The Impedance Mismatch Problem. The host language manipulates variables, values, pointers

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OBOE: A UML Profile and lexical language for EDOC

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Database Modeling

Database Modeling. A Introduction to object definition language (ODL). Object-oriented database systems. New data types and classes are introduced Record Structure, collection type, reference type Class hierarchies and inheritance Data are grouped in objects Object Identity (OID)

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Schedule

Schedule. 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.) Nov. 15 (TH) More OQL.

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Object Oriented Databases

Object Oriented Databases. Seminar 11 Exploring ODMG standard Using OPTGEN. Example Schema in ODL. interface department ( extent Departments ) { attribute String name; attribute Short dno; attribute String address; }; interface person ( extent Persons )

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