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18 results with keyword: 'object oriented querying of existing relational databases'

Object-Oriented Querying of Existing Relational Databases

The query translation module uses the information stored in the knowledge base to translate SOQL queries based on the created object-oriented schema into equivalent SQL queries based

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2021
Object-oriented querying of existing relational databases

Relational database systems are widely used in research and industry. A major prob- lem of relational systems are the poor query facilities of SQL. In this paper, we described a

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Fundamentals of Object Databases Object-Oriented and Object-Relational Design

After an introduction to the fundamental concepts of object-oriented data, the monograph provides a review of object-oriented conceptual modeling techniques using side-by-side

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Logical Querying of Relational Databases

After a short introduction in propositional and first order logic, we implement dynamically a small database and translate some SQL queries in filtered java 8 streams,

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2020
Distribution design in object oriented databases : a thesis presented in partial fulfilment of the requirements for the degree of Master of Information Science in Information Systems

The aim of this thesis is to study the existing (mature) distribution design techniques for relational databases and to adopt them into an object oriented

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2020
Pool Party by Kelly Hashway

Even though Ava does not know how to swim, she goes to the party because her friendship with Melanie is more important than her fear of water.. Write a paragraph to describe a

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Object-persistence formats. Files. Object-oriented databases. Data management layer design. Relational databases. Relational Database Example.

Normalization Order -Order_no -Cust_ID -Date -State -Tax_Rate Prod_Order -Order_no -Product_no -Product_qty 1..* 0..* Customer -Cust_ID -Last_Name -First_Name Product

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Object-Oriented & Object-Relational DBMS. Example App: Asset Management. An Asset Management Scenario. Object-Relational Databases

create table nowshowing (film integer, theater ref(theater_t) scope theaters, start date, end date); create table films (filmno integer, title text, stars. varchar(25)

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OBJECT-ORIENTED & OBJECT- RELATIONAL DATABASES CS561-SPRING 2012 WPI, MOHAMED ELTABAKH

-111 appropriate SQL operations from previous chapters apply to tables that are declared with a UDT or that have attributes whose type is a CDT. There are also some entirely

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Object-Relational Databases

reference to the type Person, with table people as scope: create type Department (. name

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Object Relational Databases

Vnorená tabuľka je neusporiadaná mnoţina dátových elementov, ktoré sú zhodného dátového typu. Pri definícii nie je nutné narozdiel od poľa špecifikovať počet

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Converting relational databases into object relational databases

The SQL4 ORDB schema is defined as a set of user-defined types (UDTs), and a set of typed tables created based on these UDTs for storing data.. Each

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Object-Relational Databases

They often provide a declarative mapping schema that links domain classes needing persistence to relational tables and mecha- nisms for managing database transactions, security,

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Balancing simplicity and efficiency in Web applications

Object-oriented databases ( OODBs ) were introduced in an attempt to eliminate the impedance mismatch problem experienced when persisting objects to relational

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A Gentle Introduction to Relational and Object Oriented Databases

Relational databases don’t normally let you define your own data types (although some authors, most notably [date95], argue that this is a deficiency of current implementations and

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An object-oriented wrapper to relational databases with query optimisation

Such resources must be available to global (top level) users via a common object data model (provided by the virtual repository) and an object-oriented query language so that these

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GENERIC DATA ACCESS AND INTEGRATION SERVICE FOR DISTRIBUTED COMPUTING ENVIRONMENT

This service provides facility to access and manipulate data from various data store, namely, file system, XML databases, relational databases, object oriented database and

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Querying Object-Oriented Databases Based on Signature Graph and n-ary Tree

To improve query time on databases, we need to describe data structure in a more simple way and build a corresponding data structure to reduce searching space during

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2020

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