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OQL is based on SQL. Many queries in SQL are also valid in OQL. OQL also extends SQL to deal with object-oriented notion. 2/18/00. 4. OQL Types ...
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Object Query Language (OQL) Declarative (like SQL) No updates Computationally incomplete (like SQL) Query result: Any object or value Ad-hoc or embedded (like SQL ...
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Traversing structures. Navigation through the data structure is specified using the dot notation: ... Traversing multivalued elements. Associate a variable to ...
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OQL peut tre appel dans un programme et r ciproquement OQL peut faire appel ... 4- r cup ration du 1er l ment de la liste et affichage du nom de la rue ...
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ODMG OQL User Manual. Besides the paper, I referred the ODMG OQL User Manual. ... Set: unordered, duplicate free collection of arbitrary cardinality ...
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surname. OID. salary 35,000 year_of_birth =1975. E={oid2,oid5} ... b) What if none of the rules can be used to. apply the heuristics? select x from Employees x ...
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Type Compatibility / Resolving Constraints. Typing Rules. Inference Algorithm ... Generalisation Specialisation Relationship. Type Compatibility - Constraints ...
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Data stored on client in memory. Only request from server upon page-faults ... DCOM. ANSI. OQL (Object Query Language) Platform Support ...
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Title: Incremental Maintenance of Materialized OQL Views Author: Norman Paton Last modified by: norm Created Date: 11/4/2000 11:38:08 AM Document presentation format
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E/R model, relational model, semistructured model, XML, UML, ODL. Database programming. SQL, XPath, XQuery, Relational algebra, Datalog, OQL.
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CGI to EJB. JavaDoc. Genealogy data. More Examples... Cross-compilation. OQL to SQL. etc ... What is different from Functional programming? In functional programming ...
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The Data GRID: virtualization of data. OGSA-DAI and DAIS. Websphere II & GRID ... J2EE. SQL API. GRID registry. WS. OGSA-DAI. OQL API. OGSA-DAI. Global Mngt. OGSA-DAI ...
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Provide a means for users to submit general requests for astronomical ... Based on Quilt, XQL, and XML-QL. Quilt is based on Object Query Langauge (OQL) ...
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Matakuliah : M0174/OBJECT ORIENTED DATABASE Tahun : 2005 Versi : 1/0 Pertemuan 13 Object Query Language Learning Outcomes Pada akhir pertemuan ini, diharapkan ...
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Querying XML: Xquery H. Schweppe und T. Schlieder Literatur: A. Deutsch et. al.
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Simpler for user to learn (OO programmer?) Easier to optimize ... methods; register executables. Methods. Uniformally. enforced. Optional / mixed (also key) ...
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Simpler for user to learn (OO programmer?) Easier to optimize (for simple access?) Strong market-share ... OID references : hard to support; dangling pointers ...
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Title: Bancos de Dados Orientados a Objetos Author: Rodrigo Reis Last modified by: CCEN Created Date: 9/27/1999 12:37:02 PM Document presentation format
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WHERE s.WorksAt.address.city = 'London' This returns a ... (2) Get structured set (with identity) with name, sex, and age of all deputy managers over 60: ...
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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)
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Title: Modelo de Objetos ODMG Author: bogomil company Last modified by: bogomil company Created Date: 6/8/2006 12:29:31 PM Document presentation format
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Modern Database Techniques Part 1: Object Oriented Databases 4. Concepts of Object Oriented Databases Chapter 4: Overview 4.1 Type constructors, complex objects 4.2 ...
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Object-Oriented Database Languages Object Description Language Object Query Language Object-Oriented DBMS s Standards group: ODMG = Object Data Management Group.
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Title: CS206 --- Electronic Commerce Author: Jeff Ullman Last modified by: jeffrey d. ullman Created Date: 3/23/2002 8:14:09 PM Document presentation format
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Ford Mustang. P1. Color. Name. Product no - The statement queries a relational database. ... Ford Mustang. Mercedes SLK. Name. Result. Original table. IST 210 ...
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This presentation will probably involve audience discussion, which will create action items. Use PowerPoint to keep track of these action items during your presentation
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Chris Taylor. Phil Jones. Nisha Vinod. University of Manchester. Simon Hubbard. Steve Oliver ... A.) U.C.L.. David Jones. Christine Orengo. Melissa Pentony (R.A. ...
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Title: Dissertation Proposal: Extensible Frameworks for Change Management in Databases Author: Claypool Last modified by: Elke A. Rundensteiner Created Date
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Title: Objektorientierte Datenbanken Author: Alexander Maringer Last modified by: Torsten Grust Created Date: 9/10/2001 9:01:00 AM Document presentation format
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An ad hoc query takes a database and returns some data from it: ... as a free standing function - deprecated in the most recent version, but e.g. in ...
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Title: Sabre Lab Reporting Author: Tom Rethard Last modified by: UTCC Created Date: 8/11/2000 2:52:40 PM Document presentation format ...
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grouping, update capabilities. - 4 - Leonidas Fegaras. New Applications ... group by d.dno. having 20 count(e.ssn); - 27 - Leonidas Fegaras. A Need for an Algebra ...
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Ford Mustang. P1. Color. Name. Product no - The statement queries a object-oriented database ... Ford Mustang. String. Result. Original table. Mercedes SLK ...
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Chris Taylor. Phil Jones. Nisha Vinod. University of Manchester. Simon Hubbard. Steve Oliver ... A.) U.C.L.. David Jones. Christine Orengo. Melissa Pentony (R.A. ...
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WHERE b.address.city = 'London'; This returns a literal of ... (2) Get structured set (with identity) with name, sex, and age of all deputy managers over 60: ...
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Xdoclet is a code generator. A Javadoc extension called a doclet ... STEP 1: Unpack the downloaded ZIP or TAR file. STEP 2: Create Roller tables in your database ...
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Object types were first introduced into the Oracle8 RDBMS (the 'object-relational' model) ... fridge foodstuffs_nt := foodstuffs_nt ( food_t ('Eggs benedict' ...
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A Uniform Approach to. Data and Workflow Integration. for the ... data warehousing (data provenance, incr. view maintenance) schema matching (model independent) ...
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Cursors. PL/SQL Functions. Procedures and Packages. PL/SQL. Triggers ... October 23: Cursors in PL/SQL. October 25: PL/SQL Functions and Queries; Project3 ...
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Data acquisition strategies to build the repository. ... Several crawlers can be used simultaneously and only XML pages are stored. ...
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DBMS orientados a objetos ' ... Completos DBMS con lenguajes OO: Istaca, Orion, O2 ' ... Manifiesto de DBMS de 3ra Generaci n (1990) Manejar objetos y reglas ...
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Transparencies for Chapter 17 of textbook Database Systems: A Practical Approach to Design, Implementation, and Management
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The ODMG Standard 2.0 Focusing On The ODMG Object Model Group Members: Christopher Parrott, Christopher Sinclair, David Tucker & Andrew Wan Presentation Presenters ...
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A Dynamic Warehouse for the XML data of the Web Gr gory COBENA INRIA & Xyleme SA ( Gregory.Cobena@inria.fr ) Serge Abiteboul, INRIA & Xyleme SA ( Serge.Abiteboul@ ...
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Padr es em BDOO e Projeto L gico
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Title: PowerPoint Presentation Author: Valued Gateway Client Last modified by: Ray R. Larson Created Date: 8/26/2002 7:08:49 AM Document presentation format
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attributes: properties built in from primitive types ... If a is an attribute of C, then x.a = the value of a in the x object. ...
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Object-Relational DBMSs By Yao-Wen Tu CS157b 12/09/2003 Prof. Sin-Min Lee Introduction to Object-Relational DBMSs Several major software companies including IBM ...
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Title: Basi di dati orientate ad oggetti Author: disi Last modified by: m Created Date: 1/9/2002 2:00:19 PM Document presentation format: Presentazione su schermo
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wiadectwem chaosu jest tak e stan j zyk w zapyta dla XML, w r d nich XQL, XPath, XLink, XPointer, XQuery i inne. ... (np. XPath, XLink, XPointer).
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ODMG - Object Database Management Group Padr o para SGBDOO Cons rcio de pesquisadores e fabricantes Objetivo integra o e padroniza o de funcionalidades de BD ...
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Title: PowerPoint Presentation Last modified by: raj Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show Other titles
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... Report. Tina 2000. Lyle Bertz. Sprint PCS. 7/24/09. 2. NRIM v 3.0 & Sprint ... Although Sprint uses the NRIM actively in various implementations and has for a ...
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Versant from Versant Object Technology. 8. Origins of the ... Ontos, Versant and O2 provide a version of OSQL. Develop a novel database data model/language. ...
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response time, throughput, first answers, little IO, ... connections, cursors, data, ... Wrappers map queries into local dialect ...
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