'Entity types' presentation slideshows

Exercises

Exercises. Apa beda database schema dan database state ? Apa beda logical data independence dan physical data independence ? Apakah perbedaan two-tier & three-tier architecture ? Data model merupakan representasi pisik (physical representation) dari struktur basisdata. [T/F]

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Accessing CA-IDMS from Internet

Accessing CA-IDMS from Internet. VG-IDMS/Web Server Overview. Contents. From Browser to Web Server Server Application Functionality Building HTML Pages Structure of CA-ADS Dialog Included CA-ADS Functions Authentication. Contents. Secured Connection Included Tools SQL Support

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Data Modeling Using the Entity-Relationship (ER) Model

Data Modeling Using the Entity-Relationship (ER) Model. Chapter Outline. Example Database Application (COMPANY) ER Model Concepts Entities and Attributes Entity Types, Value Sets, and Key Attributes Relationships and Relationship Types Weak Entity Types

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A Survey on Information Extraction from Documents Using Structures of Sentences

A Survey on Information Extraction from Documents Using Structures of Sentences. Chikayama Taura Lab. M1 Mitsuharu Kurita. Introduction. Current search systems are based on 2 assumptions Users send words, not sentences The aim is finding documents which is related to the query words

482 views • 34 slides

Database Systems 02 Conceptual Design

Database Systems 02 Conceptual Design. Last update: Mar 11, 2019. Announcements/Org. Feedback so far #1 Video Recording (5): Record and upload lectures (English, repetition, flexibility, room) ? Expected start: Mar 18 #2 Questions (1): Repeat questions for everybody in the room

565 views • 34 slides

ENTITY-RELATIONSHIP MODELING

ENTITY-RELATIONSHIP MODELING . Using Entity-Relationship Diagrams (Concepts book: Chapter 6). Instructional Objectives. What is Entity-Relationship Modeling? Introduction to Entity-Relationship Diagrams Components of an ERD Entity Weak, ID-dependent Attributes Multivalued Relationships

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Entity Relationship Modelling

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CSC271 Database Systems

CSC271 Database Systems. Lecture # 22. Summary: Previous Lecture. Applying Database SDLC on DreamHome Database planning System definition Requirements collection and analysis Database design Design methodology Conceptual database design. Entity Relationship Modeling. Chapter 11.

562 views • 32 slides

Scaling Answer Type Detection to Large Hierarchies

Scaling Answer Type Detection to Large Hierarchies Kirk Roberts and Andrew Hickl {kirk,andy}@languagecomputer.com May 29, 2008 Introduction

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Database Design Concepts IMAT1408

Database Design Concepts IMAT1408. Lecture 5 Handling Many to Many relationships. Aims: To demonstrate how to decompose many:many (M:M) relationships To explain why M:M relationships need to be decomposed. Handling Many:Many Relationships.

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Chapter 4

Chapter 4. The enhanced ER model and business rules. Evolution of the E-R Model. Basic E-R Model nearly 25 years old complex data relationships and new database technology have outgrown it in some respects Enhanced E-R Model a response to the shortcomings of the basic E-R model

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SA0951a Entity-Relationship Modelling

SA0951a Entity-Relationship Modelling. What is it about?. ER model is used to show the C onceptual schema of an organisation. Independent of specific data model or DBMS The model is later transformed into a Logical model (e.g. relational) on which the physical database is built

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ER Modeling Case Studies

ER Modeling Case Studies. BanksDatabase :ER Case Study. Consider the following set of requirements for a Bank database that is used to keep track of Customer. Each bank has a unique name. Each branch has a number, name, address (number, street, city), and set of phones.

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ER & EER to Relational Mapping

ER & EER to Relational Mapping. ER to Relational Mapping.

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Ancestry OCR Project: Data

Ancestry OCR Project: Data. Thomas L. Packer 2009.08.18. Outline. Pipeline overview Books and Categories Images Data Preparation Three data file formats Limitations Future Work. Pipeline. Images. Ancestry .DAT Data Files. Data Prep. .XML. Experiment File. Experimenter. Extractor.

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Chapter 11 & 12 Entity-Relationship (E-R) Model

Chapter 11 & 12 Entity-Relationship (E-R) Model. Characteristics of E-R Model Components of E-R Model Example of E-R Model Enhanced E-R Model. Characteristics of E-R Model. Semantic data model Express the logical properties of an enterprise database

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Conversion from ER diagram to relational model

Conversion from ER diagram to relational model. ER is a visual model The relational model is a matemathical model. Database development as part of systems development. Analysis phase Draw an ER-diagram Design phase Convert ER-diagram to relational model.

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Group G10

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Joshua Mason

Joshua Mason. CH 4 part 1 Questions 11, 12, 13. Question 11. -What is the attribute inheritance? Why is it important?. Attribute inheritance is when a Super type picks up all of the subtype entities. This is important to help break down or simplify information we need. Question 12.

147 views • 5 slides