Data modeling schema

Chapter 4: Object-Oriented Data Modeling includes about Introduction, UML Language, Object-Oriented Modeling, Object Modeling Example, Tranform Class Diagram to Relational Database Schema and some thing else.

45p cocacola_10 08-12-2015 11 1   Download

Database System: Chapter 2 - The Relational Data Model & SQL includes about Relational Model Concepts, Relational Model Constraints and Relational Database Schemas, Update Operations and Dealing with Constraint Violations, Basic SQL.

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Database System: Chapter 5 - Data Modeling Using the (Enhanced) Entity-Relationship (E-ER) Model provides about Example Database Application (COMPANY), ER Model Concepts, ER Diagrams - Notation, ER Diagram for COMPANY Schema, Enhanced Entity Diagram.

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Chapter 5 - The Relational Data Model and Relational Database Constraints present contents as: Relational model concepts, relational model constraints and relational database schemas, update operations and dealing with constraint violations.

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Chapter 4 - Relational model. The main contents of this chapter include all of the following: Relational model concept, relational data model, relational database, relation schema, relational algebra, relational query languages,...

47p nomoney11 04-05-2017 7 4   Download

Chapter 8 introduce SQL - Schema definition, basic constraints, and queries. The main contents in this chapter: Create database, create table, attribute data types and domains in SQL, data integrity (toàn vẹn dữ liệu), declarative integrity,...

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Data Model: A set of concepts to describe the structure of a database, and certain constraints that the database should obey. Data Model Operations: Operations for specifying database retrievals and updates by referring to the concepts of the data model. Operations on the data model may include basic operations and user-defined operations.

34p thienthanoze 12-11-2012 36 7   Download

Database System: Chapter 1 - Introduction presents about File based approach, Database approach, Basic definitions, Database systems concepts (Data model, Three schema architecture – Data independence, DBMS languages, Classification of DBMS, Database users).

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Database Systems: Lecture 1 - Database System Concepts and Architecture presents about File-based Approach, Database Approach, Three-Schema Architecture and Data Independence, Database Languages, Data Models, Database Schema and Database State, Data Management Systems Framework.

39p cocacola_17 11-12-2015 12 1   Download

In this chapter presenting the terminology and basic concepts that will be used throughout the lecture. This chapter discusses data models and defines the concepts of schemas and instances, which are fundamental to the study of database systems, discuss the three-schema DBMS architecture, provides a user’s perspective on what a DBMS is supposed to do, describe the types of interfaces and languages that are typically provided by a DBMS,...

33p kiepnaybinhyen_04 15-12-2015 10 1   Download

In this chapter presenting the terminology and basic concepts that will be used throughout the lecture. This chapter discusses data models and defines the concepts of schemas and instances, which are fundamental to the study of database systems, discuss the three-schema DBMS architecture, provides a user’s perspective on what a DBMS is supposed to do, describe the types of interfaces and languages that are typically provided by a DBMS,...

9p kiepnaybinhyen_02 29-12-2015 10 1   Download

Chapter 4 presents Relational Data Model and ER/EER-to-Relational Mapping. Upon completion of this lesson, the successful participant will be able to: Relational Data Model, main phases of database design, ER-/EER-to-Relational Mapping. Inviting you to refer.

83p youcanletgo_02 07-01-2016 8 1   Download

In July 2008 Microsoft released the first version of the ADO.NET Entity Framework as part of the Visual Studio 2008 Service Pack 1 as well as the .NET Framework 3.5 Service Pack 1. At the time, Microsoft LINQ (Language Integrated Query) and LINQ to SQL had been out for a while and were gaining a lot of attention.

281p tengteng6 26-11-2011 124 58   Download

Microsoft’s ADO.NET Entity Framework, known widely as EF, introduced out-of-thebox Object Relational Mapping to .NET and Visual Studio. Central to Entity Framework was the Entity Data Model, a conceptual model of your application domain that maps back to the schema of your database. This conceptual model describes the core classes in your application. Entity Framework uses this conceptual model while querying from the database, creating objects from that data and then persisting changes back to the database....

192p kenichi_kudo 11-11-2012 124 39   Download

The module uses client-side examples to illustrate the various aspects of DOM, but you should point out that DOM can be used equally well on the server. Students will use DOM on the server during Module 8, ìValidating XML Data Using Schemas.î Before beginning this module, you should ask students if they are already familiar with another object model. (Any object model will do.) Prior exposure to an object model makes it much easier to understand issues such as inheritance, methods and properties, and creating objects in Microsoft VBScript. ...

80p batoan 11-08-2009 91 15   Download

Databases and database systems are an essential component of life in modern society: most of us encounter several activities every day that involve some interaction with a database. For example, if we go to the bank to deposit or withdraw funds, if we make a hotel or airline reservation, if we access a computerized library catalog to search for a bibliographic item, or if we purchase something online—such as a book, toy, or computer— chances are that our activities will involve someone or some computer program accessing a database.

0p hiepkhach_1006 10-09-2013 33 8   Download

Chapter 7 discusses how to design a relational database schema based on a conceptual schema design. This chapter presented a high-level view of the database design process, and in this chapter we focus on the logical database design or data model mapping step of database design. We present the procedures to create a relational schema from an Entity-Relationship (ER) or an Enhanced ER (EER) schema.

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Learning objectives in this chapter: Describe the differences and similarities between relational and object-oriented database management systems, design a relational database schema based on an entity-relationship diagram, design an object database schema based on a class diagram,...

10p kiepnaybinhyen_02 25-12-2015 15 1   Download

Chapter 7 discusses how to design a relational database schema based on a conceptual schema design. This chapter presented a high-level view of the database design process, and in this chapter we focus on the logical database design or data model mapping step of database design. We present the procedures to create a relational schema from an Entity-Relationship or an Enhanced ER schema.

6p kiepnaybinhyen_02 29-12-2015 7 1   Download

The Self-Organizing Map (SOM) is a neural network algorithm, which uses a competitive learning technique to train itself in an unsupervised manner. SOMs are different from other artificial neural networks in the sense that they use a neighborhood function to preserve the topological properties of the input space and they have been used to create an ordered representation of multi-dimensional data which simplifies complexity and reveals meaningful relationships. Prof. T. Kohonen in the early 1980s first established the relevant theory and explored possible applications of SOMs. ...

0p bi_bi1 13-07-2012 46 17   Download