DATABASES. -2 Competencies Distinguish between the physical and logical view of data Describe how data is organized Describe databases Describe the five.

Slides:

Advertisements

Similar presentations

Lecture-7/ T. Nouf Almujally

Advertisements

The database approach to data management provides significant advantages over the traditional file-based approach Define general data management concepts.

Introduction to Databases

Management Information Systems, Sixth Edition

Databases Chapter Distinguish between the physical and logical view of data Describe how data is organized: characters, fields, records, tables,

12 CHAPTER DATABASES Databases are the key to accessing information throughout our lives. Used in hospitals, grocery stores, schools, department stores,

File Systems and Databases

Organizing Data & Information

McGraw-Hill/Irwin Copyright © 2008, The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill/Irwin Copyright © 2008 The McGraw-Hill Companies, Inc.

1212 CHAPTER DATABASES. © 2005 The McGraw-Hill Companies, Inc. All Rights Reserved Competencies Distinguish between the physical and logical view.

3 / 12 CHAPTER Databases MIS105 Irfan Ahmed Ilyas.

Chapter 4: Database Management. Databases Before the Use of Computers Data kept in books, ledgers, card files, folders, and file cabinets Long response.

Introduction to Database Management

Databases Chapter 11.

Lead Black Slide. © 2001 Business & Information Systems 2/e2 Chapter 7 Information System Data Management.

Professor Michael J. Losacco CIS 1150 – Introduction to Computer Information Systems Databases Chapter 11.

Databases and Data Warehouses How Do You Organize Large Amounts of Information? Chapter 10.

Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. McGraw-Hill Chapter 12: Databases.

Fundamentals of Information Systems, Third Edition2 Principles and Learning Objectives The database approach to data management provides significant advantages.

6-1 DATABASE FUNDAMENTALS Information is everywhere in an organization Information is stored in databases –Database – maintains information about various.

Copyright © 2003 by Prentice Hall Computers: Tools for an Information Age Chapter 13 Database Management Systems: Getting Data Together.

The McGraw-Hill Companies, Inc Information Technology & Management Thompson Cats-Baril Chapter 3 Content Management.

Database and Data Warehouse Module B: Designing and Building a Relational Database Chapter 3.

STORING ORGANIZATIONAL INFORMATION— DATABASES CIS 429—Chapter 7.

Simple Database.

Management Information Systems By Effy Oz & Andy Jones

CHAPTER 8: MANAGING DATA RESOURCES. File Organization Terms Field: group of characters that represent something Record: group of related fields File:

311: Management Information Systems Database Systems Chapter 3.

Discovering Computers Fundamentals Fifth Edition Chapter 9 Database Management.

Lead Black Slide Powered by DeSiaMore1. 2 Chapter 7 Information System Data Management.

1.file. 2.database. 3.entity. 4.record. 5.attribute. When working with a database, a group of related fields comprises a(n)…

Copyright © 2015 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education.

Announcements. Data Management Chapter 12 Traditional File Approach  Structure Field  Record  File  Fixed All records have common fields, and a field.

Instructor: Dema Alorini Database Fundamentals IS 422 Section: 7|1.

McGraw-Hill/Irwin ©2008,The McGraw-Hill Companies, All Rights Reserved Chapter 5 Data Resource Management.

5-1 McGraw-Hill/Irwin Copyright © 2007 by The McGraw-Hill Companies, Inc. All rights reserved.

Data Resource Management

Lecture # 3 & 4 Chapter # 2 Database System Concepts and Architecture Muhammad Emran Database Systems 1.

Chapter 5 Data Resource Management. 2 I. Why do organizations store data?  Data resources must be structured and organized in some logical manner so.

5 - 1 Copyright © 2006, The McGraw-Hill Companies, Inc. All rights reserved.

Chapter 4c, Database H Definition H Structure H Parts H Types.

DataBase Management System What is DBMS Purpose of DBMS Data Abstraction Data Definition Language Data Manipulation Language Data Models Data Keys Relationships.

MANAGING DATA RESOURCES ~ pertemuan 7 ~ Oleh: Ir. Abdul Hayat, MTI.

Database Systems Basic Data Management Concepts

Data resource management

Management Information Systems, 4 th Edition 1 Chapter 8 Data and Knowledge Management.

Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. McGraw-Hill Chapter 11&12: Database Management System & Information Systems.

DATA RESOURCE MANAGEMENT

Foundations of Business Intelligence: Databases and Information Management.

Chapter 10 Database Management. Data and Information How are data and information related? p Fig Next processing data stored on disk Step.

0 / Database Management. 1 / Identify file maintenance techniques Discuss the terms character, field, record, and table Describe characteristics.

3/6: Data Management, pt. 2 Refresh your memory Relational Data Model

1 Chapter 9 Database Management. Objectives Overview Define the term, database, and explain how a database interacts with data and information Describe.

Databases Chapter Copyright © 2011 by The McGraw-Hill Companies, Inc. All rights reserved.

CIS 250 Advanced Computer Applications Database Management Systems.

Data Resource Management Data Concepts Database Management Types of Databases Chapter 5 McGraw-Hill/Irwin Copyright © 2007 by The McGraw-Hill Companies,

1 Geog 357: Data models and DBMS. Geographic Decision Making.

Introduction to Databases Angela Clark University of South Alabama.

Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. McGraw-Hill Chapter 11&12: Database Management System & Information Systems.

Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved. McGraw-Hill Chapter 12: Databases.

1 Management Information Systems M Agung Ali Fikri, SE. MM.

1 Module # 8 Databases Module # 11 Mostafa Abd-El-Barr Modified by Jehad Al Dallal July 2012.

McGraw-Hill/Irwin ©2008,The McGraw-Hill Companies, All Rights Reserved Chapter 5 Data Resource Management.

Data Resource Management Data Concepts Database Management Types of Databases Chapter 5 McGraw-Hill/Irwin Copyright © 2007 by The McGraw-Hill Companies,

Managing Data Resources File Organization and databases for business information systems.

© 2017 by McGraw-Hill Education. This proprietary material solely for authorized instructor use. Not authorized for sale or distribution in any manner.

MANAGING DATA RESOURCES

Chapter 12: Databases.

Presentation transcript:

DATABASES

-2 Competencies Distinguish between the physical and logical view of data Describe how data is organized Describe databases Describe the five data models Distinguish among the different databases Recognize strategic database uses & security concerns

-3 Data Facts or observations about people, places, things, and events Two ways to view data Physical view Logical view

-4 Data Organization Character Field Record File Database

-5 Key Field Unique identifier Common examples Social security number Driver’s license Credit card account

-6 Batch Versus Real-Time Processing Batch processing -- later Real-time processing -- now Batch Processing

-7 Real-Time Processing

-8 Databases Sharing – one department to another Security – passwords to access Less data redundancy Data integrity

-9 Database Management DBMS engine Data definition subsystem Data manipulation subsystem Query-by-example Structured query language (SQL) Application generation subsystem Data administration subsystem

-10 DBMS Structure Hierarchical database Network database Relational database Multidimensional database Object-oriented database

-11 Hierarchical Database Fields or records are structured in nodes Nodes are point connected like branches One parent per node Parent has several child nodes Airlines may use a hierarchical database

-12 Network Database Hierarchical node arrangement Many-to-many relationship

-13 Relational Database Most flexible Data stored in table or relation Tables related via a common data item Easy to use

-14 Multidimensional Database A variation and an extension of the relational model Includes a hyper cube Good for representing complex relationships Advantages over relational Conceptualization Processing speed

-15 Object-Oriented Database Works with unstructured data Photographs Graphics Audio Video Objects contain both data and instructions

-16 Types of Databases Individual or microcomputer database Company or shared Operational User Distributed Proprietary Web database

-17 Database Uses and Issues Strategic uses Special type of database called data warehouse Data mining used to search database Security Databases are valuable Protection necessary

-18 A Look to the Future Xperanto Enhancement to searching for data Access to structured (relational databases) and unstructured data (word processing and spreadsheet files)

-19 FAQs What is data? Name the different types of data. What is the difference between a physical and a logical view? What is a key field? What is a relational database? What are the five classifications of databases? What is data mining?

-20 Discussion Questions Explain how data is organized. Discuss the difference between batch and real- time processing. Discuss the advantages of using a database. Describe the five DBMS models.