Database Introduction Questions

Which of the following is not a type of database?

• A) Relational

• B) Hierarchical

• C) Object-oriented

• E) Musical

What is the definition of a database?

• A) A collection of interrelated data stored and accessed electronically

• B) A software application used for data entry and retrieval

• C) A system for organizing and classifying data

• D) All of the these

What is the main difference between a manual database and an electronic database?

• A manual database is stored on paper while an electronic database is stored on a computer

• A manual database is less efficient than an electronic database

• A manual database is more accurate than an electronic database

• A manual database is easier to use than an electronic database

Which of the following is not a characteristic of a database?

• Data is stored in a structured format

• Data is independent of application programs

• Data is shared by multiple users

• Data is stored on a single computer

• Data is stored in an unstructured format

What is a key characteristic of a relational database?

• A) Data is organized into tables

• B) Data is organized into hierarchies

• C) Data is organized into objects

• D) Data is organized into files

Which of the following best describes the main difference between a manual and electronic database?

• Manual databases are stored on paper, while electronic databases are stored on a computer

• Electronic databases can be easily sorted and searched, while manual databases cannot

• Manual databases are more reliable, while electronic databases are more prone to errors

• Manual databases are less expensive to maintain, while electronic databases require significant resources to maintain.

Which of the following is an advantage of using an electronic database over a manual one?

• Electronic databases are less expensive to maintain

• Electronic databases are less vulnerable to errors and data loss

• Electronic databases are more difficult to access and use

• Electronic databases are more easily searchable and sortable.

Which of the following is a disadvantage of using data redundancy in a database?

• Increased reliability

• Improved data integrity

• Reduced storage space

• Increased complexity and potential for data inconsistencies.

What is the main purpose of using data redundancy in a database?

• To improve data integrity

• To reduce storage space

• To increase the speed of data retrieval

• To provide a backup copy of the data in case of failure.

Which of the following is a benefit of using minimal data redundancy in a database?

• Improved data integrity

• Reduced complexity and potential for data inconsistencies

• Increased storage space

• Reduced speed of data retrieval