Describe In-Database Analytics and SQL Essentials DATA-SCIENCE-FOUNDATIONS Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   Which type of JOIN returns only the rows that have matching values in both tables?

   • ALEFT JOIN
   • BINNER JOIN
   • CFULL OUTER JOIN
   • DRIGHT JOIN
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2. 12foundation · easy

   What is a key advantage of integrating an analytics tool with in-database analytics?

   • AThe analytics tool automatically replaces the database's security features
   • BThe analytics tool can leverage the database's processing power and avoid transferring large datasets
   • CThe analytics tool guarantees faster results than any other approach
   • DThe analytics tool eliminates the need for SQL knowledge
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4. 13foundation · easy

   How do external analytics tools typically connect to a database to perform in-database analytics?

   • ABy exporting the entire database to a CSV file for local processing
   • BThrough a database driver or connector that sends SQL and analytical commands to the database
   • CBy manually copying data into the tool's proprietary storage format
   • DBy using a web browser to access the database without any authentication
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5. 14foundation · easy

   Which benefit is most directly associated with in-database analytics for big data processing?

   • AEliminating the need for any data governance policies
   • BReducing data movement and network overhead by processing data in place
   • CAutomatically converting all SQL queries to machine learning models
   • DGuaranteeing that all analytical queries complete in under one second
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6. 15foundation · easy

   Which SQL clause is required to define the window for a window function?

   • AHAVING
   • BGROUP BY
   • CWHERE
   • DOVER
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