Dbms enables users to - Guías de estudio, Notas de estudios & Resúmenes

Chapter 3: Data Models TRUE/FALSE 1. A data model is usually graphical. ANS: T PTS: 1 2. The terms data model and database model are often used interchangeably. ANS: T PTS: 1 3. An implementation-ready data model should contain a description of the data structure that will store the end-user data. ANS: T PTS: 1 4. Within the database environment, a data model represents data structures with the purpose of supporting a specific problem domain. ANS: T PTS: 1 5. Data modeling starts with a...

DBI201 EXAM TEST BANK QUESTIONS AND ANSWERS ALL CORRECT What is a graph database? - Answer A graph database is a database that uses graph structures with nodes, edges and properties to represent and store information A ____ is a powerful tool for creating and managing large amounts of data efficiently and allowing it to persist over long periods of time, safely - Answer DBMS A ______ is a collection of programs that enables user to create and maintain databases. In other words, it is g...

What is a broad definition of data? Raw facts that are captured on printed or digital media What are data? Facts that are collected and stored in a database system What is a determining characteristic of unstructured data? It does not follow a data model. Which is true about flat files? They contain no internal hierarchical organization. Which technology has no internal hierarchy? Flat files How were data retrieved before database management systems? Sequ...

File-based system correct answers A collection of application programs that perform services for the end-users, such as the production of reports. Each program defines and manages its own data. Each program defines and manages its own data Limitations of File-Based Approach correct answers -Separation and isolation of data -duplication of data -data dependence -incompatible file formats -fixed queries/proliferation of application programs. Database Approach correct answers Arose be...

COP 4710 CH Question and answers verified to pass 2024 COP 4710 CH.1 Database - correct answer collection of related data Data - correct answer known facts that can be recorded and have explicit meaning Database implicit properties - correct answer 1- represents some aspects of the real world (mini-world or universe of discourse (UoD) 2- logically coherent collection of data with some inherent meaning 3- designed, built, and populated with data for a specific purpose Databas...

Data correct answers 1. Raw facts - Have not yet been processed to reveal their meaning to the end user 2. Building blocks of information 3. Data management: generation, storage, and retrieval of data Information correct answers - Produced by processing raw data to reveal its meaning - Requires context - Bedrock of knowledge - Should be accurate, relevant, and timely to enable good decision making Database correct answers -Shared, integrated computer structure that stores a collec...

Database - A ______ is a collection of logically related data. • Example: Personal information such as name, address, birthday and gender Schema or a Database Schema - is the over-all design of a database. Database System - is an automated system that enables users to define, create, maintain and control access to the database. Components of DBMS Environment - hardware, software (machine side), Data, procedures, people (human side) Different Facilities that DBMS provide - Users can d...

DAD-220 Introduction to Structured Database Environments Exam Questions All Correctly Solved Data - Answer -Raw facts and values Information - Answer -Data that has been processed to give the facts meaning Three common sources of data - Answer -Social networks, business systems, internet of things Database - Answer -A collection of data in a structured format that correlates related data values. The database structure enables fast storing, retrieving, updating, and deleting of data. ...

Database correct answers A collection of related data; A shared collection of logically related data, and a description of this data, designed to meet the information needs of an organization DBMS (Database Management System) correct answers The software that manages and controls access to the database. Database application correct answers A program that interacts with the database at some point in its execution Traditional File Based System correct answers -each program defines and man...

Database - A ______ is a collection of logically related data. • Example: Personal information such as name, address, birthday and gender Schema or a Database Schema - is the over-all design of a database. Database System - is an automated system that enables users to define, create, maintain and control access to the database. Components of DBMS Environment - hardware, software (machine side), Data, procedures, people (human side)