Master the Art of Database Design

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Which of the following is a disadvantage of database systems?

Enhanced security
Improved performance
Increased costs (correct)
Simplified management

Which job title involves analyzing large amounts of varied data to generate insights and relationships?

Database Security Officer
Data Scientist (correct)
Database Developer
Database Consultant

What is the purpose of a Database Designer?

Implement security policies for data administration
Design and implement the infrastructure for cloud database systems
Create and maintain database-based applications
Define the structure of a database (correct)

What are databases classified according to?

Number of users (A) Signup and view all the answers

What were DBMSs developed for?

To enhance file system data management (B) Signup and view all the answers

What is the role of a Database Administrator?

Manage and maintain DBMS and databases (D) Signup and view all the answers

Which of the following best describes the difference between data and information?

Data is unprocessed, while information consists of processed facts (D) Signup and view all the answers

What is a database?

A specialized structure that allows computer-based systems to store, manage, and retrieve data (C) Signup and view all the answers

Why are databases valuable assets for decision making?

They allow for the secure sharing of data (C) Signup and view all the answers

What are the main components of a database system?

Database management system (DBMS) (B) Signup and view all the answers

What are the main functions of a database management system (DBMS)?

Storing and managing data (B) Signup and view all the answers

What are the characteristics of data in today's world?

Data is abundant, global, and everywhere (B) Signup and view all the answers

Which of the following best describes a database management system (DBMS)?

A program that manages the structure and access to data stored in a database (C) Signup and view all the answers

What is the advantage of using a DBMS?

Improved data sharing and security (A) Signup and view all the answers

Which type of database supports one user at a time?

Single-user database (C) Signup and view all the answers

What is a centralized database?

A database where data is located at a single site (A) Signup and view all the answers

What type of database contains a wide variety of data used in multiple disciplines?

General-purpose database (C) Signup and view all the answers

What is the purpose of a data warehouse?

To store data in a format optimized for decision support (D) Signup and view all the answers

Which of the following is a possible result of uncontrolled data redundancy?

Consistent data-entry errors (B) Signup and view all the answers

What are the three types of data anomalies that can develop when not all required changes in redundant data are made successfully?

Update anomalies, insertion anomalies, deletion anomalies (B) Signup and view all the answers

What does a database management system (DBMS) do?

All of the above (D) Signup and view all the answers

What is a data dictionary?

A storage facility for data elements and their relationships (B) Signup and view all the answers

What does performance tuning in a DBMS ensure?

Efficient system performance (C) Signup and view all the answers

What is the de facto query language and data access standard supported by the majority of DBMS vendors?

Structured Query Language (SQL) (D) Signup and view all the answers

Which type of file system data processing involves a system of file folders and filing cabinets?

Manual file systems (C) Signup and view all the answers

What is the definition of a record in the context of file system data processing?

A logically connected set of one or more fields that describes a person, place, or thing (A) Signup and view all the answers

What is the main problem with file systems that challenges the types of information that can be created from data?

Difficulty of getting quick answers (C) Signup and view all the answers

What is the difference between structural dependence and structural independence in file system data processing?

Structural dependence refers to changes in file structure, while structural independence refers to changes in data access (B) Signup and view all the answers

What is data dependence in file system data processing?

Data access changes when data storage characteristics change (D) Signup and view all the answers

What is the practical significance of data dependence in file system data processing?

The difference between logical and physical format (B) Signup and view all the answers

Which type of database stores historical data and business metrics used exclusively for tactical or strategic decision making?

Analytical database (A) Signup and view all the answers

What is the purpose of a data warehouse?

To store data in a format optimized for decision support (D) Signup and view all the answers

Which type of database supports multiple users at the same time?

Multiuser database (C) Signup and view all the answers

What is the role of a database management system (DBMS)?

To store and manage data (D) Signup and view all the answers

Which of the following best describes the purpose of a database design?

To explain the importance of database design (C) Signup and view all the answers

What is the main flaw in file system data management?

Data redundancy (A) Signup and view all the answers

Which of the following best describes the difference between data and information?

Data consists of raw facts, while information is processed data that reveals meaning (A) Signup and view all the answers

Which of the following job titles involves helping companies leverage database technologies to improve business processes and achieve specific goals?

Database Consultant (B) Signup and view all the answers

Which of the following is a limitation of file system data management that led to the development of DBMSs?

Inherent weaknesses (D) Signup and view all the answers

What is the main purpose of a Database Security Officer?

Implement security policies for data administration (C) Signup and view all the answers

What does database design define?

The database structure (D) Signup and view all the answers

Which of the following is a possible result of uncontrolled data redundancy?

Data integrity problems (C) Signup and view all the answers

What are the main functions of a database management system (DBMS)?

Data backup and recovery management (D) Signup and view all the answers

What is the purpose of a data warehouse?

To support decision making (C) Signup and view all the answers

What is the de facto query language and data access standard supported by the majority of DBMS vendors?

Structured Query Language (SQL) (C) Signup and view all the answers

Which of the following best describes a well-designed database?

Facilitates data management and generates accurate and valuable information (D) Signup and view all the answers

What is a field in the context of file system data processing?

A character or group of characters that has a specific meaning and is used to define and store data (A) Signup and view all the answers

What are the main problems with file system data processing?

Lengthy development times, difficulty of getting quick answers, complex system administration, lack of security and limited data sharing (C) Signup and view all the answers

What is the difference between structural dependence and structural independence in file system data processing?

Structural dependence means access to a file is dependent on its own structure, while structural independence means the file structure can be changed without affecting the application's ability to access the data (C) Signup and view all the answers

Which of the following job titles involves designing and implementing the infrastructure for next-generation cloud database systems?

Cloud Computing Data Architect (B) Signup and view all the answers

Which of the following skills is NOT required for a Database Consultant?

Hardware knowledge (A) Signup and view all the answers

Which of the following is NOT a disadvantage of database systems?

Vendor independence (B) Signup and view all the answers

Which of the following best describes the purpose of a Database Designer?

Design and maintain databases (A) Signup and view all the answers

Which of the following best describes the difference between data and information?

Data is raw facts, while information is processed data (B) Signup and view all the answers

Master the Art of Database Design

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Questions and Answers

Which of the following is a disadvantage of database systems?

Which job title involves analyzing large amounts of varied data to generate insights and relationships?

What is the purpose of a Database Designer?

What are databases classified according to?

What were DBMSs developed for?

What is the role of a Database Administrator?

Which of the following best describes the difference between data and information?

What is a database?

Why are databases valuable assets for decision making?

What are the main components of a database system?

What are the main functions of a database management system (DBMS)?

What are the characteristics of data in today's world?

Which of the following best describes a database management system (DBMS)?

What is the advantage of using a DBMS?

Which type of database supports one user at a time?

What is a centralized database?

What type of database contains a wide variety of data used in multiple disciplines?

What is the purpose of a data warehouse?

Which of the following is a possible result of uncontrolled data redundancy?

What are the three types of data anomalies that can develop when not all required changes in redundant data are made successfully?

What does a database management system (DBMS) do?

What is a data dictionary?

What does performance tuning in a DBMS ensure?

What is the de facto query language and data access standard supported by the majority of DBMS vendors?

Which type of file system data processing involves a system of file folders and filing cabinets?

What is the definition of a record in the context of file system data processing?

What is the main problem with file systems that challenges the types of information that can be created from data?

What is the difference between structural dependence and structural independence in file system data processing?

What is data dependence in file system data processing?

What is the practical significance of data dependence in file system data processing?

Which type of database stores historical data and business metrics used exclusively for tactical or strategic decision making?

What is the purpose of a data warehouse?

Which type of database supports multiple users at the same time?

What is the role of a database management system (DBMS)?

Which of the following best describes the purpose of a database design?

What is the main flaw in file system data management?

Which of the following best describes the difference between data and information?

Which of the following job titles involves helping companies leverage database technologies to improve business processes and achieve specific goals?

Which of the following is a limitation of file system data management that led to the development of DBMSs?

What is the main purpose of a Database Security Officer?

What does database design define?

Which of the following is a possible result of uncontrolled data redundancy?

What are the main functions of a database management system (DBMS)?

What is the purpose of a data warehouse?

What is the de facto query language and data access standard supported by the majority of DBMS vendors?

Which of the following best describes a well-designed database?

What is a field in the context of file system data processing?

What are the main problems with file system data processing?

What is the difference between structural dependence and structural independence in file system data processing?

Which of the following job titles involves designing and implementing the infrastructure for next-generation cloud database systems?

Which of the following skills is NOT required for a Database Consultant?

Which of the following is NOT a disadvantage of database systems?

Which of the following best describes the purpose of a Database Designer?

Which of the following best describes the difference between data and information?

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