Database management systems

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  • Database management systems are now an indispensable tool for managing information, and a course on the principles and practice of database systems is now an integral part of computer science curricula. This book covers the fundamentals of modern database management systems, in particular relational database systems. We have attempted to present the material in a clear, simple style. A quantitative approach is used throughout with many detailed examples.

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  • Bài giảng "Chương I: Tổng quan về Hệ quản trị cơ sở dữ liệu Database Management System" nhằm giúp các bạn có được cái nhìn bao quát về cơ sở dữ liệu (Database) cũng như về hệ quản trị cơ sở dữ liệu (DBMS), hệ cơ sở dữ liệu (Database system), các yêu cầu khi xây dựng một DBMS, một số khái niệm quan trọng như: giao tác (transaction), Concurrent Control, khôi phục sau sự cố,...

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  • Database Management Systems: Chapter 2 - Indexing Structures for Files present about Types of Single-level Ordered Indexes (Primary Indexes, Clustering Indexes, Secondary Indexes); Multilevel Indexes; Dynamic Multilevel Indexes Using B-Trees and B+-Trees; Indexes on Multiple Keys.

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  • Database Management Systems: Chapter 1 - Disk Storage, Basic File Structures, and Hashing includes Disk Storage Devices, Files of Records, Operations on Files, Unordered Files, Ordered Files, Hashed Files, RAID Technology.

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  • Database Management Systems: Chapter 0 - An Overview of a Database Management System includes about What is a DBMS? DBMS Capabilities, Data-Definition Language Commands, Answering the query, Buffer manager, Transaction processor’s tasks.

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  • Database Management Systems: Chapter 3 - Algorithms for Query Processing and Optimization Introduction to Query Processing; Translating SQL Queries into Relational Algebra; Algorithms for External Sorting; Algorithms for SELECT and JOIN Operations;...

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  • Database Management Systems: Chapter 4 - Introduction to Transaction Processing Concepts and Theory Introduction to Transaction Processing, Transaction and System Concepts, Desirable Properties of Transactions, Characterizing Schedules based on Recoverability.

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  • Database Management Systems: Chapter 5 - Concurrency Control Techniques provides about Databases Concurrency Control (Purpose of Concurrency Control, Two-Phase locking, Concurrency control based on Timestamp ordering, Multiversion Concurrency Control techniques, Lock Compatibility Matrix, Lock Granularity).

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  • This text is designed to be used with an introductory course in database management. Such a course is usually required as part of an information systems curriculum in business schools, computer technology programs, and applied computer science departments.

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  • 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.

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  • 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,...

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  • Decision Support Systems: Chapter 5 - Data Management includes Data, Information, Knowledge; Data collection, problems and quality; Database Management Systems in DSS; Data warehousing; OLAP; Data Mining; Data Visualization and Multidimensionality; GIS.

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  • In this lesson, you will learn to: Define a Database Management System (DBMS) Identify the different DBMS users Describe the need for a database system Define the architecture of a DBMS in terms of: External level Define a Database Management System (DBMS) Identify the components of a DBMS Describe the need for a database system Define the architecture of a DBMS in terms of: • External level • Conceptual level .

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  • Recall: logging methods provide reconstructing the DB to reflect the result of committed transactions locking (or validation) methods provide serializability of transactions Problem yet uncovered: "dirty data" data written by an uncommitted transaction (to buffers or to disk) may lead to inconsistency, if read by others

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  • Chapter 5 - Designing database applications. Learning objectives of this chapter include: Describe the purpose of the relational database model in a database management system, list the relational database model’s basic components, describe why entities and attributes are organized into tables, describe how data redundancy is handled in the relational database model,…

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  • Chapter 11A - Database management systems. This chapter define the terms database and database management system (DBMS), list at least three tasks that a DBMS enables users to do, differentiate between flat-file databases and relational databases, list three steps needed to create a database, explain the purpose of filters and forms, list three examples of query languages.

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  • Chapter 1 - Getting started. After completing this unit, you should be able to: Identify the purpose and scope of this book, know the potential problems with lists, understand the reasons for using a database, understand how related tables avoid the problems of lists, learn the components of database system, learn the elements of a database, learn the purpose of the database management system (DBMS), understand the functions of a database application.

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  • Chapter 1 - Introduction to database management. Chapter 1 covers the basic concepts of database management including database characteristics, features and architectures of database management systems, the market for database management systems, and organizational impacts of database technology.

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  • Chapter 18 - Object database management systems. This chapter provides a broad introduction to object DBMSs. You will first learn about the business reasons to extend database technology. This chapter discusses the increasing use of complex data and the mismatch between DBMSs and programming languages as the driving forces behind object database technology.

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  • The Oracle Database (commonly referred to as Oracle RDBMS or simply as Oracle) is an object-relational database management system produced and marketed by Oracle Corporation.An Oracle database system—identified by an alphanumeric system identifier or SID[4]—comprises at least one instance of the application, along with data storage. An instance—identified persistently by an instantiation number

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