Database Tables and Keys Quiz

What is the purpose of using primary and foreign keys in a database?

To create a centralized database for all data
To organize data in rows and columns like a spreadsheet
To support multiple users at the same time
To tie information together and establish relationships between tables (correct)

Which type of database supports only one user at a time?

Multiuser database
Single-user database (correct)
Workgroup database
Distributed database

What is the function of a foreign key in a database?

Forms a relationship between two tables (correct)
Stores data only once to improve efficiency
Relates tables by a common field
Identifies each record in a table

Which type of database is designed to support many users across different departments?

Enterprise database (A) Signup and view all the answers

What characterizes unstructured data in databases?

Data existing in its original (raw) state (D) Signup and view all the answers

In what way do filing card systems differ from modern databases?

Filing card systems were used before computers to store and manage data (A) Signup and view all the answers

What is the main purpose of databases?

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

Which type of database is useful for basic lists of data?

Flat File Database (D) Signup and view all the answers

What distinguishes data from information?

Data requires processing to reveal meaning (C) Signup and view all the answers

Why are relational databases considered more complex than flat file databases?

Relational databases store data in multiple tables (A) Signup and view all the answers

Which feature is essential for information to be considered 'bedrock of knowledge'?

Accuracy (A) Signup and view all the answers

What does a flat file database store data in?

A single table (A) Signup and view all the answers

What is one of the problems associated with file systems data processing?

Lengthy development times (C) Signup and view all the answers

What is a possible consequence of uncontrolled data redundancy?

Data inconsistency (D) Signup and view all the answers

What is the main purpose of a Database Management System (DBMS)?

To provide efficient data management (C) Signup and view all the answers

What does a modern end-user productivity tool like Microsoft Excel belong to?

File system redux (C) Signup and view all the answers

Why are database systems superior to file systems in terms of data processing?

They eliminate most data inconsistency problems (C) Signup and view all the answers

What components are part of the database system environment?

Hardware, software, and people (A) Signup and view all the answers

What is the main function of a database system (DBMS)?

Store and manage data efficiently (C) Signup and view all the answers

In the context of databases, what is the difference between data and information?

Data is unprocessed facts, while information is processed data. (A) Signup and view all the answers

Why are databases considered valuable assets to organizations?

They provide organizations with efficient methods to store and access information. (A) Signup and view all the answers

What are examples of data that organizations might store in databases?

Customer's names & addresses, telephone numbers, order dates, order amounts, employee details (A) Signup and view all the answers

What distinguishes a primary key from a foreign key in a database?

Primary key uniquely identifies a record in a table, while foreign key links one table to another. (D) Signup and view all the answers

Why do organizations require efficient methods to store and access information?

Information is as important as any asset to organizations. (C) Signup and view all the answers

What is the main function of a data dictionary in a DBMS?

Store definitions of data elements and their relationships (A) Signup and view all the answers

What does multiuser access control in a DBMS primarily focus on?

Ensuring multiple users can access the database concurrently without compromising integrity (A) Signup and view all the answers

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

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

In a relational database management system (RDBMS), how is data organized?

As a collection of tables (D) Signup and view all the answers

What is the primary purpose of backup and recovery management in a DBMS?

Enables recovery of the database after a failure (A) Signup and view all the answers

Which aspect of a DBMS focuses on minimizing redundancy and maximizing consistency?

Data integrity management (B) Signup and view all the answers