Xem 1-20 trên 62 kết quả Database mappings .
  • 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....

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  • Oracle Database 11g Performance Tuning Recipes is a ready reference for database administrators in need of immediate help with performance issues relating to Oracle Database. The book takes an example-based approach, wherein each chapter covers a specific problem domain. Within each chapter are "recipes," showing by example how to perform common tasks in that chapter’s domain. Solutions in the recipes are backed by clear explanations of background and theory from the author team. Whatever the task, if it’s performance-related, you’ll probably find a recipe and a solution in this book....

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  • This book will walk you through the complete process of planning, building, and deploying a data warehouse using Oracle Warehouse Builder. By the book’s end, you will have built your own data warehouse from scratch. Starting with the installation of the Oracle Database and Warehouse Builder software, this book then covers the analysis of source data, designing a data warehouse, and extracting, transforming, and loading data from the source system into the data warehouse.

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  • This paper describes automatic techniques for mapping 9611 entries in a database of English verbs to WordNet senses. The verbs were initially grouped into 491 classes based on syntactic features. Mapping these verbs into WordNet senses provides a resource that supports disambiguation in multilingual applications such as machine translation and cross-language information retrieval.

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  • (BQ) Part 2 of ebook "Build your own Database driven Website using PHP & My SQL" presents contens as: Content formatting with regular expressions; cookies, sessions, and access control; MySQL administration, advanced SQL queries, binary data. This book is your map to the twisty path that every beginner must navigate to learn PHP and MySQL today. Inviting you to refer.

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  • 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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  • We demonstrate a new development environment1 “Information State Update” dialogue systems which allows non-expert developers to produce complete spoken dialogue systems based only on a Business Process Model (BPM) describing their application (e.g. banking, cinema booking, shopping, restaurant information). The environment includes automatic generation of Grammatical Framework (GF) grammars for robust interpretation of spontaneous speech, and uses application databases to generate lexical entries and grammar rules.

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  • Database System: Chapter 6 - Relational Database Design by ER and EERR-to-Relational Mapping presents about ER-to-Relational Mapping Algorithm, Mapping EER Model Constructs to Relations (Options for Mapping Specialization or Generalization, Mapping of Union Types (Categories).

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  • Database Systems: Lecture 4 - Relational Data Model and ER-/EER-to-Relational Mapping provides about Relational Data Model, ER-/EER-to-Relational Mapping, Relational Integrity Constraints, Update Operations on Relations, Main Phases of Database Design.

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  • Chapter 7 present relational database design by ER and EER-to-Relational mapping. The main contents in this chapter: ER-to-Relational mapping algorithm, mapping EER model constructs to relations. Inviting you to refer.

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  • 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.

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  • 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.

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  • Lecture Database system - Chapter 5 introduce Relational algebra. Upon completion of this lesson, the successful participant will know: Unary relational operations, relational algebra operations from set theory, binary relational operations, additional relational operations, brief introduction to relational calculus.

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  • Upon completion of this lesson, the successful participant will be able to: Overview of Relational Data Model, ER and EER-to-Relational mapping, relational algebra. Inviting you to refer lecture for more information.

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  • This chapter introduce ER- & EER-to-Relational Mapping. Upon completion of this lesson, the successful participant will be able to: Overview of Relational Data Model, ER and EER-to-Relational mapping, relational algebra. Inviting you to refer lecture for more information.

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  • Appendix E - Hierarchical model. This chapter presents the following content: Basic concepts, tree-structure diagrams, data-retrieval facility, update facility, virtual records, mapping of hierarchies to files, the IMS database system.

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  • Published just in time for the first release of Visual Basic Studio .NET, Programming Visual Basic .NET is a programmer's complete guide to Visual Basic .NET. Starting with a sample application and a highlevel map, the book jumps right into showing how the parts of .NET fit with Visual Basic .NET. Topics include the common language runtime Windows Forms, ASP.NET, Web Forms, Web Services, and ADO.NET.

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  • Learn the simplest ways to get things done with Microsoft Access 2013 Get the full-color, visual guide that makes learning Microsoft Access 2013 plain and simple! Follow the book’s easy steps and screenshots and clear, concise language to learn the simplest ways to build a database and sort information. Here’s WHAT you’ll learn:

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  • For simplicity, in the example we have assumed that a new map is created at the end of every step. This is certainly a possibility, but it is not necessarily the best option. Later in this book, we will discuss data modeling and how to optimize the sequence of operations. In particular, Chapters 8 and 9 cover spatial operators and functions that make it possible to cluster some of the steps in the example into single queries, making the process much simpler and more efficient.

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  • The lesson introduces the concept of mapping E/R diagrams to tables with respect to regular entities, weak entities, relationships, attributes, subtypes, and supertypes. This lesson also contains tips for logical database design and covers the various types of keys and their applications.

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