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Using IFNULL() on a Google SQL Interview Question
This video will walk you through Google's "Videos Removed on Latest Date" SQL interview question.
We explore two datasets and use of IFNULL() function and SQL queries to find the latest date when flags got reviewed for each unique user, and then determine the total number of distinct videos that got removed on that date. Along the way, we discuss important SQL concepts such as filtering, joining, and aggregating tables.
Join us to see how we solve this hard-level problem!
Go to the question through the link below and follow along with me 👇
https://platform.stratascratch.com/coding/2105-videos-removed-on-latest-date?code_type=3&utm_source=youtube&utm_medium=click&utm_campaign=YT+sql+ifnull
______________________________________________________________________
👉 Subscribe to my channel: https://bit.ly/2GsFxmA
👉 Playlist for more data science interview questions and answers: https://bit.ly/3jifw81
👉 Playlist for data science interview tips: https://bit.ly/2G5hNoJ
👉 Playlist for data science projects: https://bit.ly/StrataScratchProjectsYouTube
👉 Practice more real data science interview questions: https://platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+sql+ifnull
______________________________________________________________________
Timeline:
Intro: (0:00)
Interview Question: (0:18 )
Exploring and understanding the dataset: (1:02)
Writing out the approach: (2:39)
Coding the solution: (3:42)
Conclusion: (7:46)
______________________________________________________________________
About The Platform:
I'm using StrataScratch (https://platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+sql+ifnull), a platform that allows you to practice real data science interview questions. There are over 1000+ interview questions that cover coding (SQL and python), statistics, probability, product sense, and business cases.
So, if you want more interview practice with real data science interview questions, visit https://platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+sql+ifnull. All questions are free and you can even execute SQL and python code in the IDE, but if you want to check out the solutions from me or from other users, you can use ss15 for a 15% discount on the premium plans.
______________________________________________________________________
Contact:
If you have any questions, comments, or feedback, please leave them here!
Feel free to also email me at nathan@stratascratch.com
______________________________________________________________________
#googleinterviewquestion #mysql
Видео Using IFNULL() on a Google SQL Interview Question канала StrataScratch
We explore two datasets and use of IFNULL() function and SQL queries to find the latest date when flags got reviewed for each unique user, and then determine the total number of distinct videos that got removed on that date. Along the way, we discuss important SQL concepts such as filtering, joining, and aggregating tables.
Join us to see how we solve this hard-level problem!
Go to the question through the link below and follow along with me 👇
https://platform.stratascratch.com/coding/2105-videos-removed-on-latest-date?code_type=3&utm_source=youtube&utm_medium=click&utm_campaign=YT+sql+ifnull
______________________________________________________________________
👉 Subscribe to my channel: https://bit.ly/2GsFxmA
👉 Playlist for more data science interview questions and answers: https://bit.ly/3jifw81
👉 Playlist for data science interview tips: https://bit.ly/2G5hNoJ
👉 Playlist for data science projects: https://bit.ly/StrataScratchProjectsYouTube
👉 Practice more real data science interview questions: https://platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+sql+ifnull
______________________________________________________________________
Timeline:
Intro: (0:00)
Interview Question: (0:18 )
Exploring and understanding the dataset: (1:02)
Writing out the approach: (2:39)
Coding the solution: (3:42)
Conclusion: (7:46)
______________________________________________________________________
About The Platform:
I'm using StrataScratch (https://platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+sql+ifnull), a platform that allows you to practice real data science interview questions. There are over 1000+ interview questions that cover coding (SQL and python), statistics, probability, product sense, and business cases.
So, if you want more interview practice with real data science interview questions, visit https://platform.stratascratch.com/coding?utm_source=youtube&utm_medium=click&utm_campaign=YT+sql+ifnull. All questions are free and you can even execute SQL and python code in the IDE, but if you want to check out the solutions from me or from other users, you can use ss15 for a 15% discount on the premium plans.
______________________________________________________________________
Contact:
If you have any questions, comments, or feedback, please leave them here!
Feel free to also email me at nathan@stratascratch.com
______________________________________________________________________
#googleinterviewquestion #mysql
Видео Using IFNULL() on a Google SQL Interview Question канала StrataScratch
google sql interview questions sql ifnull function ifnull function ifnull function in sql ifnull function for data science ifnull function for data analysis sql interview questions and answers sql query sql interview questions and answers for freshers sql interview questions for experienced sql interview questions tricky sql queries for interview google coding interview stratascratch data analysis data science
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19 апреля 2023 г. 22:00:26
00:08:09
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