54 Questions
Which of the following is a disadvantage of database systems?
Increased costs
Which job title involves analyzing large amounts of varied data to generate insights and relationships?
Data Scientist
What is the purpose of a Database Designer?
Define the structure of a database
What are databases classified according to?
Number of users
What were DBMSs developed for?
To enhance file system data management
What is the role of a Database Administrator?
Manage and maintain DBMS and databases
Which of the following best describes the difference between data and information?
Data is unprocessed, while information consists of processed facts
What is a database?
A specialized structure that allows computer-based systems to store, manage, and retrieve data
Why are databases valuable assets for decision making?
They allow for the secure sharing of data
What are the main components of a database system?
Database management system (DBMS)
What are the main functions of a database management system (DBMS)?
Storing and managing data
What are the characteristics of data in today's world?
Data is abundant, global, and everywhere
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
What is the advantage of using a DBMS?
Improved data sharing and security
Which type of database supports one user at a time?
Single-user database
What is a centralized database?
A database where data is located at a single site
What type of database contains a wide variety of data used in multiple disciplines?
General-purpose database
What is the purpose of a data warehouse?
To store data in a format optimized for decision support
Which of the following is a possible result of uncontrolled data redundancy?
Consistent data-entry errors
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
What does a database management system (DBMS) do?
All of the above
What is a data dictionary?
A storage facility for data elements and their relationships
What does performance tuning in a DBMS ensure?
Efficient system performance
What is the de facto query language and data access standard supported by the majority of DBMS vendors?
Structured Query Language (SQL)
Which type of file system data processing involves a system of file folders and filing cabinets?
Manual file systems
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
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
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
What is data dependence in file system data processing?
Data access changes when data storage characteristics change
What is the practical significance of data dependence in file system data processing?
The difference between logical and physical format
Which type of database stores historical data and business metrics used exclusively for tactical or strategic decision making?
Analytical database
What is the purpose of a data warehouse?
To store data in a format optimized for decision support
Which type of database supports multiple users at the same time?
Multiuser database
What is the role of a database management system (DBMS)?
To store and manage data
Which of the following best describes the purpose of a database design?
To explain the importance of database design
What is the main flaw in file system data management?
Data redundancy
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
Which of the following job titles involves helping companies leverage database technologies to improve business processes and achieve specific goals?
Database Consultant
Which of the following is a limitation of file system data management that led to the development of DBMSs?
Inherent weaknesses
What is the main purpose of a Database Security Officer?
Implement security policies for data administration
What does database design define?
The database structure
Which of the following is a possible result of uncontrolled data redundancy?
Data integrity problems
What are the main functions of a database management system (DBMS)?
Data backup and recovery management
What is the purpose of a data warehouse?
To support decision making
What is the de facto query language and data access standard supported by the majority of DBMS vendors?
Structured Query Language (SQL)
Which of the following best describes a well-designed database?
Facilitates data management and generates accurate and valuable information
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
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
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
Which of the following job titles involves designing and implementing the infrastructure for next-generation cloud database systems?
Cloud Computing Data Architect
Which of the following skills is NOT required for a Database Consultant?
Hardware knowledge
Which of the following is NOT a disadvantage of database systems?
Vendor independence
Which of the following best describes the purpose of a Database Designer?
Design and maintain databases
Which of the following best describes the difference between data and information?
Data is raw facts, while information is processed data
Discover the significance of database design in this informative quiz. Explore the importance of a well-designed database structure for efficient data management and seamless user experience. Test your knowledge and enhance your understanding of database design principles.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
