10 SQL Important Interview Questions – 2/5
10 SQL Important Interview Questions
What is the most important ingredient in a good Analyst?
The ability to crunch numbers and by far SQL has been the most important weapon of any Analytics Professional. it’s easy to use and understand. But, you can easily be surprised by the difficulty level and variety of questions asked in SQL interviews. I highly recommend you to go through the Daily Quiz Questions as well
10 SQL Important Interview Questions
You can answer the question or can upvote the already-answered questions
- Extract all the distinct email id domain from all the employee
- Can you join two table without any common column?
- Find the output.
- Select case when null=null then ‘Amit’ else ‘Rahul’ end from dual
- Differentiate between COUNT(*) and COUNT(ColName)
- How do we create a table with all the employee Names and Manager Names?
- Write a query for collecting the names of children who pursuing their graduation in their residential city.
- What is indexing in SQL?
- Show how to write a query to show details of an HR whose name starts with M.
- Guess the question.
The Data Monk Interview Books – Don’t Miss
Now we are also available on our website where you can directly download the PDF of the topic you are interested in. On Amazon, each book costs ~299, on our website we have put it at a 60-80% discount. There are ~4000 solved interview questions prepared for you.
10 e-book bundle with 1400 interview questions spread across SQL, Python, Statistics, Case Studies, and Machine Learning Algorithms – Ideal for 0-3 years experienced candidates
23 E-book with ~2000 interview questions spread across AWS, SQL, Python, 10+ ML algorithms, MS Excel, and Case Studies – Complete Package for someone between 0 to 8 years of experience (The above 10 e-book bundle has a completely different set of e-books)
12 E-books for 12 Machine Learning algorithms with 1000+ interview questions – For those candidates who want to include any Machine Learning Algorithm in their resume and to learn/revise the important concepts. These 12 e-books are a part of the 23 e-book package
Individual 50+ e-books on separate topics
Important Resources to crack interviews (Mostly Free)
There are a few things that might be very useful for your preparation
The Data Monk Youtube channel – Here you will get only those videos that are asked in interviews with Data Analysts, Data Scientists, Machine Learning Engineers, Business Intelligence Engineers, Analytics managers, etc.
Go through the watchlist which makes you uncomfortable:-
Complete Python Playlist for Data Science
Company-wise Data Science Interview Questions – Must Watch
All important Machine Learning Algorithm with code in Python
Complete Python Numpy Playlist
Complete Python Pandas Playlist
Case Study and Guesstimates Complete Playlist
Complete Playlist of Statistics
Keep Learning !!
Thanks,