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Modern Database Management Chapter 1 Graded A+

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Modern Database Management Chapter 1 Graded A+ database ️ An organized collection of logically related data. data ️ A stored representation of objects and events that have meaning and importance in the user's environment. information ️ Data that have been processed in such a way that the knowledge of the person who uses the data is increased. metadata ️ Data that describe the properties or characteristics of end-user data and the context of that data. database application ️ An application program that is used to perform a series of database activities (create, read, update, and delete) on behalf of database users. data models ️ Capture the nature of and relationships among data and are used at different levels of abstraction as a database is conceptualized and designed. Made up of entities, attributes, and relationships. entity ️ A noun that describes a person, place, an object, or a concept in the business environment for which information must be recorded and retained. relational database ️ Establishes the relationships between entities by means of common fields included in a file, called a relation. database management system (DBMS) ️ A software system that enables the use of a database approach. Primary purpose is to provide a systematic method of creating, updating, storing, and retrieving the data stored in a database. advantages of the database approach ️ - Program-data independence - Planned data redundancy - Improved data consistency - Improved data sharing - Increased productivity of application development - Enforcement of standards - Improved data quality - Improved data accessibility and responsiveness - Reduced program maintenance - Improved decision support. components of the database environment ️ - Computer-aided software engineering - Repository - DBMS - Database - Application programs - User interface - Data and database administrators - System developers - End users computer-aided software engineering (CASE) tools ️ Automated tools used to design databases and application programs. repository ️ A centralized knowledge base for all data definitions, data relationships,

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Modern Database Management Chapter 1 Graded A+


database ✔️ An organized collection of logically related data.



data ✔️ A stored representation of objects and events that have meaning and importance in the user's
environment.



information ✔️ Data that have been processed in such a way that the knowledge of the person who
uses the data is increased.



metadata ✔️ Data that describe the properties or characteristics of end-user data and the context of
that data.



database application ✔️ An application program that is used to perform a series of database activities
(create, read, update, and delete) on behalf of database users.



data models ✔️ Capture the nature of and relationships among data and are used at different levels of
abstraction as a database is conceptualized and designed. Made up of entities, attributes, and
relationships.



entity ✔️ A noun that describes a person, place, an object, or a concept in the business environment
for which information must be recorded and retained.



relational database ✔️ Establishes the relationships between entities by means of common fields
included in a file, called a relation.



database management system (DBMS) ✔️ A software system that enables the use of a database
approach. Primary purpose is to provide a systematic method of creating, updating, storing, and
retrieving the data stored in a database.



advantages of the database approach ✔️

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Subido en
7 de septiembre de 2024
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4
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2024/2025
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Examen
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