Data Science and Machine Learning with R - Working with Databases

Data Science and Machine Learning with R - Working with Databases

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

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FREE Resource

This video tutorial provides an overview of databases, focusing on how to interact with them using R. It covers the use of the DBI package to connect to SQL databases, manage connections, and perform basic operations like listing tables, creating tables, and executing SQL queries. The tutorial emphasizes the importance of managing connections properly to avoid performance issues.

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4 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What function is used to create a table in a database?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how to read data from a table in a database using R.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how to execute a custom SQL query in R.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of the DB fetch function?

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