Big Data 2 starter

Which of these is not a characteristic of Big Data?

• Volume

• Variety

• Velocity

• Value

What kind of data makes up Big Data?

• Structured, semi-structured, and unstructured data
• Only unstructured data

• Only semi-structured data

• Only structured data

Which of the following is not a challenge of Big Data?

• Data Storage

• Data Analysis

• Data Security

• Data Duplication

Which of the following is not a source of Big Data?

• Social Media

• Sensors

• Public Records

• Personal Diary

Why can big data not be stored in a database?

• Traditional databases may not be able to handle the volume, velocity, and variety of big data.
• Big data does not require storage in a database
• Databases are designed to handle big data
• Big data is easily manageable in a database

Which of these is not an element found on a data flow diagram?

• Function

• External entity

• Data store

• Process

Which of these is not part of the structure of a relational database?

• Field

• Record

• Normalization
• Primary Key

What is the purpose of an entity relationship diagram in database design?

• To calculate the total number of entities in a database
• To design the user interface for the database system
• To generate random data for the database
• To visually represent the relationships between different entities in a database