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SQL interview Questions and Answers | Data Engineer Interview

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learn by doing it

learn by doing it

Күн бұрын

SQL interview Questions and Answers | Data Engineer Interview question
In this Data Engineer Interview Questions and Answers you will learn the latest and top questions asked by companies for Data Engineer interview. This Data Engineer Interview Questions & Answers video covers all kinds of questions starting from basic to advanced questions so that you can get benefited. We can assure you that if you watch this Data Engineer interview preparation video completely you can crack any Data Engineer job interview easily.
AWS DATA ENGINEER : • AWS Data Engineer Basic
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SQL PLAYLIST : • SQL playlist
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Пікірлер: 22
@ShashankSharma-kg9hu
@ShashankSharma-kg9hu 7 ай бұрын
I am your big fan.. your teaching style
@edigavijay7893
@edigavijay7893 5 ай бұрын
In the 3rd question when we use the window function we can't use the where condition. We need to make a subquery for this.
@noreply6500
@noreply6500 Жыл бұрын
Kindly make a video on "How to create student account for creating ADF account (without using credit card)"
@sanskritisharma5447
@sanskritisharma5447 Жыл бұрын
Thanks for this video
@ankitapal1504
@ankitapal1504 Ай бұрын
In the query to delete the duplicates the query will also print the record which is duplicate as one of the record is ranked as 1
@learnbydoingit
@learnbydoingit Ай бұрын
U can select column what u need
@user-mr9jt3zp1o
@user-mr9jt3zp1o 7 ай бұрын
you forgot to write DELETE from CTE instead of select to remove dub records
@FromBrooklyn2024
@FromBrooklyn2024 4 ай бұрын
How can I access the sample data that you are using?
@Anonymous-fe2ep
@Anonymous-fe2ep 11 ай бұрын
Hello, I was asked the following questions for AWS Developer role. Please make a video on this. Thanks. Q1. We have *sensitive data* coming in from a source and API. Help me design a pipeline to bring in data, clean and transform it and park it. Q2. So where does pyspark come into play in this? Q3. Which all libraries will you need to import to run the above glue job? Q4. What are shared variables in pyspark Q5. How to optimize glue jobs Q6. How to protect sensitive data in your data Q7. How do you identify sensitive information in your data Q8. How do you provision a S3 bucket? Q9. How do I check if a file has been changed or deleted? Q10. How do I protect my file having sensitive data stored in S3 Q11. How does KMS work? Q12. Do you know S3 glacier? Q13. Have you worked on S3 glacier?
@learnbydoingit
@learnbydoingit 11 ай бұрын
Thanks ... Will try to cover in upcoming session
@manojkumaar8221
@manojkumaar8221 29 күн бұрын
getting error in MySQL workbench
@learnbydoingit
@learnbydoingit 28 күн бұрын
What error?
@KamalSingh-oi3ls
@KamalSingh-oi3ls Жыл бұрын
In Query2 Can we write like : select * into Empl from Employee i.e. without any where condition ? It also works without where condition right ?
@learnbydoingit
@learnbydoingit Жыл бұрын
Yes by Default it work without also
@jayantbishnoi9617
@jayantbishnoi9617 Жыл бұрын
what does where 1=1 and 1=2 mean ??!!!
@learnbydoingit
@learnbydoingit Жыл бұрын
@@jayantbishnoi9617 The 1=2 always evaluates to False which prevents you from copying any of the rows
@seshulatha
@seshulatha 11 ай бұрын
What is 1=1 and 1=2?
@learnbydoingit
@learnbydoingit 11 ай бұрын
1=2 false so it won't take data only schema will be created
@seshulatha
@seshulatha 11 ай бұрын
Thank you
@jayantbishnoi9617
@jayantbishnoi9617 Жыл бұрын
what does WHERE 1=2 mean?
@learnbydoingit
@learnbydoingit Жыл бұрын
The 1=2 always evaluates to False which prevents you from copying any of the rows
@seshulatha
@seshulatha 11 ай бұрын
Oh nice I understand now
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