TAILIEUCHUNG - Lecture Chapter 13: Designing databases

Lecture "Chapter 13: Designing databases" provides students with the knowledge: Learning objectives, databases and database management systems, components of a DB and DBMS, DBMS important capabilities, relational databases, partial display of relational database,. Invite you to consult. | Learning Objectives Chapter 13 Designing Databases Describe the differences and similarities between relational and object-oriented database management systems Systems Analysis and Design in a Changing World 3rd Edition Design a relational database schema based on an entity-relationship diagram Design an object database schema based on a class diagram Systems Analysis and Design in a Changing World 3 d Edition . _________________________ Learning Objectives continued Design a relational schema to implement a hybrid object-relational database Describe the different architectural models for distributed databases Systems Analysis and Design in a Changing World 3 d Edition 3 Overview This chapter describes design of relational and OO data models Developers transform conceptual data models into detailed database models Entity-relationship diagrams ERDs for traditional analysis Class diagrams for object-oriented OO analysis Detailed database models are implemented with database management system DBMS Systems Analysis and Design in a Changing World 3 d Edition 4 Databases and Database Management Systems Databases DB - integrated collections of stored data that are centrally managed and controlled Database management system DBMS - system software that manages and controls access to database Databases described by a schema description of structure content and access controls Systems Analysis and Design in a Changing World 3 d Edition 5 Components of a DB and DBMS Systems Analysis and Design in a Changing World 3rd Edition 6 13 DBMS Important Capabilities Simultaneous access by multiple users and applications Access to data without application programs via a query language Managing organizational data with uniform access and content controls Systems Analysis and Design in a Changing World 3rd Edition 7 Database Models Impacted by technology changes since 1960s Model Types Hierarchical Network Relational Object-oriented Most current systems use relational or object-oriented .

• Cơ sở dữ liệu
• Lecture Designing databases
• Databases and database management systems
• Components of a DB and DBMS
• DBMS important capabilities
• relational databases
• Partial display of relational database
• Database normalization
• Designing databases
• Business system development
• Information systems
• Information systems analysis
• Application software
• Systems development
• Systems Analysis
• Design in a Changing World
• OO data models
• Database management system
• Structuring system logical requirements
• Lecture Information systems
• Relational database model
• Data relationships
• Management information systems
• Information age
• Information technology
• Entity relationship diagramming
• Database System
• Normalization for Relational Databases
• Normal Forms Based on Primary Keys
• General Normal Form Definitions
• Boyce Codd Normal Form
• Normalization of Relations
• Fundamentals of Database Systems
• Database Systems
• Functional dependencies
• Database management systems
• Lecture Database management systems
• Informal design guidelines
• The relation attributes
• Lecture Database Systems
• Normalization for relational DBs
• Redundant information
• Direct dependency
• Database design
• Database development
• Database environments
• Logical database design
• Relational tables
• Top Down database design
• Closure of sets of FDs
• Nonprime attributes
• Bài giảng Hệ quản trị cơ sở dữ liệu
• Physical database design
• Normalization summary
• Data processing
• Database processing
• Structured query language
• The relational model
• Database design using normalization
• The entity relationship model
• Transforming data models
• Cơ sở dữ liệu
• Lecture Database
• Data modeling
• Relation attributes
• Data redundancy
• Purpose of normalization
• hệ thống
• quản lý
• Introduction to Normalization
• bình thường hóa
• Inference Rules for FDs
• Equivalence of Sets of FDs
• Minimal Sets of FDs
• Normalization
• Data in SQL
• NULLs Missing Data in SQL
• EXISTS() Predicate
• Data Elements
• water source
• business has shifted
• situations and decisions
• entrepreneurs and small
• environment conducive
• small businesses
• protected against
• automated
• event driven backups
• Reliable
• automated recovery
• computer systems