Podcast
Questions and Answers
What is the primary purpose of OLAP?
What is the primary purpose of OLAP?
- To detect opinions in social media
- To find hidden patterns in datasets
- To extract key elements from large unstructured data sets
- To provide rapid, online answers to ad hoc queries (correct)
What is the result of rotating the cube 90 degrees twice in the multidimensional data model?
What is the result of rotating the cube 90 degrees twice in the multidimensional data model?
- Product versus customer buying patterns
- Product versus actual and projected sales
- Region versus actual and projected sales (correct)
- Product versus region
What is the primary goal of data mining?
What is the primary goal of data mining?
- To find hidden patterns and relationships in datasets (correct)
- To extract key elements from large unstructured data sets
- To provide rapid, online answers to ad hoc queries
- To detect opinions in social media
What type of information is obtainable from data mining?
What type of information is obtainable from data mining?
What is the primary purpose of text mining?
What is the primary purpose of text mining?
What is the purpose of sentiment analysis software?
What is the purpose of sentiment analysis software?
What is the primary function of the SELECT operation in a relational DBMS?
What is the primary function of the SELECT operation in a relational DBMS?
What is the main difference between relational and non-relational databases?
What is the main difference between relational and non-relational databases?
What is the purpose of the JOIN operation in a relational DBMS?
What is the purpose of the JOIN operation in a relational DBMS?
What is an advantage of non-relational databases?
What is an advantage of non-relational databases?
What is the primary function of the PROJECT operation in a relational DBMS?
What is the primary function of the PROJECT operation in a relational DBMS?
Where are databases in the cloud typically hosted?
Where are databases in the cloud typically hosted?
What is a unit of data equivalent to 1024 bytes?
What is a unit of data equivalent to 1024 bytes?
What is the term for massive sets of unstructured/semi-structured data from various sources?
What is the term for massive sets of unstructured/semi-structured data from various sources?
What is the term for a collection of data specifically designed for querying and analysis?
What is the term for a collection of data specifically designed for querying and analysis?
What is an example of a contemporary tool used for managing big data?
What is an example of a contemporary tool used for managing big data?
What is a unit of data equivalent to 1024 petabytes?
What is a unit of data equivalent to 1024 petabytes?
What is the term for an infrastructure that includes an array of tools for separate systems and big data?
What is the term for an infrastructure that includes an array of tools for separate systems and big data?
What is the primary goal of web mining?
What is the primary goal of web mining?
What type of web mining analyzes the links to and from a web page?
What type of web mining analyzes the links to and from a web page?
What is a common use of the Web by companies in relation to databases?
What is a common use of the Web by companies in relation to databases?
What is an advantage of using the Web for database access?
What is an advantage of using the Web for database access?
What is the typical configuration of a system that uses the Web to access a database?
What is the typical configuration of a system that uses the Web to access a database?
How do users access an organization's internal database through the Web?
How do users access an organization's internal database through the Web?
What is the most granular unit of data representation?
What is the most granular unit of data representation?
What is a major issue with the traditional file environment?
What is a major issue with the traditional file environment?
What is the result of each functional area developing specialized applications?
What is the result of each functional area developing specialized applications?
What is the logical grouping of related fields?
What is the logical grouping of related fields?
What issue arises when changes in a program require changes to the data accessed by the program?
What issue arises when changes in a program require changes to the data accessed by the program?
What is the outcome of using a traditional approach to file processing?
What is the outcome of using a traditional approach to file processing?
