Podcast
Questions and Answers
What type of database model works with unstructured data, such as photographs and audio?
What type of database model works with unstructured data, such as photographs and audio?
- Relational database
- Hierarchical database
- Multidimensional database
- Object-oriented database (correct)
Which database model uses a variation and extension of the relational model to include additional dimensions, sometimes called a data cube?
Which database model uses a variation and extension of the relational model to include additional dimensions, sometimes called a data cube?
- Network database
- Hierarchical database
- Relational database
- Multidimensional database (correct)
In which type of processing does the data get collected over a period of time and the processing happens later all at one time?
In which type of processing does the data get collected over a period of time and the processing happens later all at one time?
- Online processing
- Immediate processing
- Batch processing (correct)
- Real-time processing
Which type of data includes facts or observations about people, places, things, and events?
Which type of data includes facts or observations about people, places, things, and events?
What is the unique identifier also known as the primary key in databases?
What is the unique identifier also known as the primary key in databases?
Which type of database is designed for representing complex relationships and includes additional dimensions like a data cube?
Which type of database is designed for representing complex relationships and includes additional dimensions like a data cube?
What is the electronic system that allows data to be easily accessed, manipulated, and updated?
What is the electronic system that allows data to be easily accessed, manipulated, and updated?
In which type of processing does the processing happen immediately during the transaction?
In which type of processing does the processing happen immediately during the transaction?
What type of databases are used for storing semi-structured and unstructured data?
What type of databases are used for storing semi-structured and unstructured data?
Which type of databases is used for storing interconnected data, such as social networks and recommendation engines?
Which type of databases is used for storing interconnected data, such as social networks and recommendation engines?
Where are individual databases typically stored?
Where are individual databases typically stored?
What do database administrators determine in their role?
What do database administrators determine in their role?
What do big data technologies and tools include?
What do big data technologies and tools include?
Which type of data analytics focuses on describing the happenings over time?
Which type of data analytics focuses on describing the happenings over time?
What does diagnostic analytics focus on?
What does diagnostic analytics focus on?
What is the first step in the process of data analytics?
What is the first step in the process of data analytics?
What is the purpose of the ETL process?
What is the purpose of the ETL process?
What is the role of data warehousing in business decision-making?
What is the role of data warehousing in business decision-making?
What is the role of a data analyst in the ETL process?
What is the role of a data analyst in the ETL process?
What type of data can be used to determine the criteria for grouping the data?
What type of data can be used to determine the criteria for grouping the data?
Which step comes first in the process of data analysis?
Which step comes first in the process of data analysis?
What is the main purpose of effective data visualization?
What is the main purpose of effective data visualization?
What are some challenges associated with data warehousing?
What are some challenges associated with data warehousing?
What does a centralized repository of information in data warehousing provide for business decision-making?
What does a centralized repository of information in data warehousing provide for business decision-making?
What is an important component of successful big data analytics in modern businesses?
What is an important component of successful big data analytics in modern businesses?
