Database schema

Xem 1-20 trên 93 kết quả Database schema
  • [ Team LiB ] Recipe 0.2 Retrieving Database Schema Information from SQL Server Problem You need to retrieve database schema information from a SQL Server database.

    pdf6p luvpro 04-08-2010 66 7   Download

  • Bước 1: Bắt đầu Bước 2: 1 of 8 Bước 3: Chọn database cần tạo scripts 2 of 8 Bước 4: Thiết lập các tùy chọn 3 of 8 Bước 5: Thiết lập thông số xuất ra 4 of 8 Step 6: Tổng hợp kết quả 5 of 8

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  • Many times the Oracle DBA is hired once the database becomes to much to handle without one, inherits position or is appointed to it "since they are so good with computers". In any case, they usually get an undocumented system that follows no conventions and holds many traps for the unwary DBA.

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  • 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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  • 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 11 present the contents: Designing a set of relations, properties of relational decompositions, algorithms for relational database schema, multivalued dependencies and fourth normal form, join dependencies and fifth normal form, inclusion dependencies, other dependencies and normal forms.

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  • Chapter 11 present the contents: Designing a set of relations, properties of relational decompositions, algorithms for relational database schema, multivalued dependencies and fourth normal form, join dependencies and fifth normal form, inclusion dependencies, other dependencies and normal forms.

    pdf8p kiepnaybinhyen_02 29-12-2015 3 1   Download

  • Tham khảo tài liệu 'appendix b: database schemas', công nghệ thông tin, chứng chỉ quốc tế phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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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.

    ppt34p thienthanoze 12-11-2012 36 7   Download

  • Relation Decomposition and Insufficiency of Normal Forms (cont.): Attribute preservation condition: Each attribute in R will appear in at least one relation schema Ri in the decomposition so that no attributes are “lost”. Another goal of decomposition is to have each individual relation Ri in the decomposition D be in BCNF or 3NF. Additional properties of decomposition are needed to prevent from generating spurious tuples

    ppt66p thienthanoze 12-11-2012 36 5   Download

  • The goal of Defensive Programming is to produce resilient code that responds gracefully to the unexpected. To the SQL Server programmer, this means T-SQL code that behaves consistently and predictably in cases of unexpected usage, doesn't break under concurrent loads, and survives predictable changes to database schemas and settings. Inside this book, you will find dozens of practical, defensive programming techniques that will improve the quality of your T-SQL code and increase its resilience and robustness. ...

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  • Tham khảo tài liệu '“database schema deployment“', công nghệ thông tin, cơ sở dữ liệu phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Many times the Oracle DBA is hired once the database becomes to much to handle without one, inherits the position or is appointed to it “since they are so good with computers”. In any case, they usually get an undocumented system that follows no conventions and holds many traps for the unwary DBA.

    pdf102p trinh02 28-01-2013 23 3   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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  • 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.

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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.

    ppt39p cocacola_17 11-12-2015 9 1   Download

  • 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,...

    pdf10p kiepnaybinhyen_02 25-12-2015 9 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.

    pdf6p kiepnaybinhyen_02 29-12-2015 6 1   Download

  • Chapter 1 introduce database system concepts and architecture. This chapter includes content: File-based approach and database approach; three-schema architecture and data independence; database languages; data models, database schema, database state;... inviting you to refer.

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  • In this chapter, you learned to: File-based approach and shared file approach; database approach; three-schema architecture and data independence; database languages, data models, database schemas and database states; classification of DBMS; data management systems framework.

    pdf59p youcanletgo_02 07-01-2016 13 1   Download

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