TAILIEUCHUNG - Lecture Introduction to information systems (Sixteenth edition): Chapter 5 - George Marakas, James O'Brien

The learning objectives for Chapter 5 include: Explain the business value of implementing data resource management processes and technologies in an organization; outline the advantages of a database management approach to managing the data resources of a business, compared to a file processing approach;. | Chapter 5 Data Resource Management Learning Objectives Explain the value of implementing data resource management processes and technologies in an organization. Outline the advantages of a database management approach to managing the data resources of a business, compared with a file processing approach. Explain how database management software helps business professionals and supports the operations and management of a business. Learning Objectives Provide examples to illustrate each of the following concepts: Major types of databases Data warehouses and data mining Logical data elements Fundamental database structures Database development Section 1 Technical Foundations of Database Management II. Fundamental Data Concepts Character – the most basic logical data element that can be observed, a single alpha or numeric or other symbol, represented by one byte Field – a grouping of related characters, as a last name or a salary, represents an attribute of some entity General Purpose Application Programs – perform common information processing jobs for end users II. Fundamental Data Concepts Record – a grouping of attributes that describe an entity File – a group of related data records Database – a collection of logically related data elements IV. Database Development Database Administrator (DBA) – controls development and administration of the database Data Definition Language (DDL) – used to specify the contents, relationships, and structure of the database Data Dictionary – directory containing the metadata IV. Database Development Metadata – data about the data Data Planning and Database Design Data Modeling (Entity-Relationship Diagrams) – logical models of the data itself; this must be done before choosing the database model Schema – the physical/internal view of a system Subschema – the logical/external view of a system IV. Database Development Entity Relationship Diagram Section 2 Managing Data Resources I. Data Resource Management Data are an organizational

• Cơ sở dữ liệu
• Management information systems
• Lecture Management information systems
• Information systems in business
• Business applications
• Data resource management
• Logical data elements
• Information systems
• Computer based information systems
• Managing information resources
• Information security
• Electronic commerce
• Information systems combine
• Global management of information technology
• Organizing IT
• Customer relationship management
• Supply chain management
• Transaction processing systems
• Managing data
• Network applications
• Business analytics
• General ethical framework
• Social computing
• Major E commerce mechanisms
• Mobile computing
• IT strategic plan