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Description: This video talks about the most asked SQL Server interview question :- Find the nth highest salary in SQL Server. For more such videos visit questpond.com For more such videos subscribe youtube.com/questpondvideos Check out our 50 most asked SQL Server interview questions watch this video youtube.com/watch?v=SEdAF8mSKS4 Question 1 :- Explain normalization ? Question 2 :- How to implement normalization ? Question 3 :- What is denormalization ? Question 4 :- Explain OLTP vs OLAP ? Question 5 :- Explain 1st,2nd and 3rd Normal form ? Question 6 :- Primary Key vs Unique key ? Question 7 :- Differentiate between Char vs Varchar ? Question 8 :- Differentiate between Char vs NChar ? Question 9 :- Whats the size of Char vs NChar ? Question 10 :- What is the use of Index ? Question 11 :- How does it make search faster? Question 12 :- What are the two types of Indexes ? Question 13 :- Clustered vs Non-Clustered index Question 14 :- Function vs Stored Procedures Question 15 :- What are triggers and why do you need it ? Question 16 :- What are types of triggers ? Question 17 :- Differentiate between After trigger vs Instead Of ? Question 18 :- What is need of Identity ? Question 19 :- Explain transactions and how to implement it ? Question 20 :- What are inner joins ? Question 21 :- Explain Left join ? Question 22 :- Explain Right join ? Question 23 :- Explain Full outer joins ? Question 24 :- Explain Cross joins ? Question 25 :- Why do we need UNION ? Question 26 :- Differentiate between Union vs Union All ? Question 27 :- Can we have unequal columns in Union? Question 28 :- Can column have different data types in Union ? Question 29 :- Which Aggregate function have you used ? Question 30 :- When to use Group by ? Question 31 :- Can we select column which is not part of group by ? Question 32 :- What is having clause ? Question 33 :- Having clause vs Where clause Question 34 :- How can we sort records ? Question 35 :- Whats the default sort ? Question 36 :- How can we remove duplicates ? Question 37 :- Select the first top X records ? Question 38 :- How to handle NULLS ? Question 39 :- What is use of wild cards ? Question 40 :- What is the use of Alias ? Question 41 :- How to write a case statement ? Question 42 :- What is self reference tables ? Question 43 :- What is self join ? Question 44 :- Explain the between clause ? Question 45 :-Subquery vs Correlated Queries Question 46 :- Select the top nth highest salary using top and order by? Question 47 :- Select the top nth highest salary using correlated and rownumber? ----------------------------------------------------------------------------------------------------- For more such videos visit questpond.com See our other Step by Step video series below :- For more such videos subscribe youtube.com/questpondvideos 35 Important JavaScript Interview Questions: youtu.be/Zb4dPi7CANU 30 Important C# Interview Questions : youtu.be/BKynEBPqiIM 25 Important ASP.NET Interview Questions : youtu.be/pXmMdmJUC0g 25 Angular Interview Questions : youtu.be/-jeoyDJDsSM 20+ SQL Server Interview Questions : youtu.be/SEdAF8mSKS4 10+ Power BI Interview Questions : youtu.be/Cozc9WNBRt4 20 PHP Interview Questions : youtu.be/1bpNSynUrl8 5 MSBI Interview Questions : youtu.be/5E815aXAwYQ Learn Angular tutorial step by step tinyurl.com/ycd9j895 ASP.NET MVC Core Interview Questions with answers:- youtu.be/pXmMdmJUC0g C# tutorial for beginners(4 hrs):- youtu.be/AxEGRBFwlmI Learn SQL Server Step by Step tinyurl.com/ja4zmwu Learn Azure Step by Step:- youtu.be/wdUK7bCMXqs Azure AZ-900 fundamentals certification :- youtu.be/hC9iGgJorz8 AZ- 204 certification Azure:- youtu.be/qI8PRn2C080 Learn MVC 5 step by step in 16 hours:- youtu.be/Lp7nSImO5vk Learn Design Pattern Step by Step goo.gl/eJdn0m Learn MSBI Step by Step in 32 hours:- goo.gl/TTpFZN Python Tutorial for Beginners:- youtu.be/KjJ7WzEL-es Learn Data Science in 1 hour :- tinyurl.com/y5o7qbau Learn Power BI Step by Step:- tinyurl.com/y6thhkxw ----------------------------------------------------------------------------------------------- For more details :- 🌐 Website : questpond.com 📱 Mob. No. : +91-9967590707 / +91 7700975156 / +91-22-49786776 📧Email : questpond@questpond.com / questpond@gmail.com / questpond@yahoo.com Share, Support, Subscribe and Connect us on!!!