Master SQL for Data Analysis - Overview-5

Master SQL for Data Analysis - Overview-5

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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The video tutorial introduces the concept of conditional logic in programming, focusing on the SQL CASE statement. It explains how the CASE statement can mimic the if-else logic found in many programming languages, allowing for navigation of SQL code based on conditions. The tutorial highlights its applications in data science, such as data cleaning and transformation, and discusses how CASE evaluates conditions to return specific results.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of the CASE statement in SQL?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How can the CASE statement be used in data science projects?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how you would transform a categorical variable into numbers using the CASE statement.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe a situation where binding might be used in data analysis.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the two main types of CASE statements mentioned in the text?

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