Job-Ready SQL in an Afternoon - Aggregation Functions

Job-Ready SQL in an Afternoon - Aggregation Functions

Assessment

Interactive Video

Information Technology (IT), Architecture, Physics, Science

University

Hard

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The video tutorial explores various SQL aggregation functions, including AVG, MAX, MIN, SUM, and COUNT, to analyze data in a track table. It demonstrates how to calculate average, maximum, and minimum durations, sum total times, and count instances, while addressing null values. Additionally, it covers converting milliseconds to fractional minutes using arithmetic operations.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the difference between counting with a star and counting with a specific column in SQL?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you convert milliseconds into minutes using SQL?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of using aggregation functions in data analysis?

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