SQL Server Interview Questions and Answers :- What to prepare ?

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Syllabus covered in this video :-
00:00 Introduction
01:22 Question 1 :- Explain normalization ?
04:45 Question 2 :- How to implement normalization ?
05:44 Question 3 :- What is denormalization ?
07:07 Question 4 :- Explain OLTP vs OLAP ?
10:40 Question 5 :- Explain 1st,2nd and 3rd Normal form ?
18:02 Question 6 :- Primary Key vs Unique key ?
20:02 Question 7 :- Differentiate between Char vs Varchar ?
21:32 Question 8 :- Differentiate between Char vs NChar ?
22:25 Question 9 :- Whats the size of Char vs NChar ?
23:32 Question 10 :- What is the use of Index ?
24:03 Question 11 :- How does it make search faster?
26:36 Question 12 :- What are the two types of Indexes ?
26:51 Question 13 :- Clustered vs Non-Clustered index
29:14 Question 14 :- Function vs Stored Procedures
33:27 Question 15 :- What are triggers and why do you need it ?
34:58 Question 16 :- What are types of triggers ?
36:57 Question 17 :- Differentiate between After trigger vs Instead Of ?
37:03 Question 18 :- What is need of Identity ?
38:10 Question 19 :- Explain transactions and how to implement it ?
42:55 Question 20 :- What are inner joins ?
45:00 Question 21 :- Explain Left join ?
46:25 Question 22 :- Explain Right join ?
46:40 Question 23 :- Explain Full outer joins ?
47:34 Question 24 :- Explain Cross joins ?
SQL Interview Questions & Answers - Part 2 :-
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 ?
SQL Interview Questions & Answers - Part 3 :-
Question 45:- Explain SubQuery?
Question 46:- Can inner Subquery return multiple results?
Question 47:- What is Co-related Query?
Question 48:- Differentiate between Joins and SubQuery?
Question 49:- Performance Joins vs SubQuery?
SQL Server Interview Questions & Answers - Part 4 :-
Question 50:- Find NTH Highest Salary in SQL.
SQL Server Interview Questions & Answers - Part 5
Question 51:- Select the top nth highest salary using correlated Queries?
Question 52:- Select top nth using using TSQL
Question 53:- Performance comparison of all the methods.
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[@questpondvideos]

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[@Saini_Chetan_001]

🎉

[@Ganeshay-996]

Please provide link

[@questpondvideos]

@@Ganeshay-996 SQL InterviewQ&A Part 1 video you can watch from here - th-cam.com/video/SEdAF8mSKS4/w-d-xo.html

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I have started my career as a trainee by watching his videos and now I am going to be a Solution Architect... All praise goes to quest pond.🎉

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Have you purchased any of his course?

[@faruqias]

@@sonalsingh6642 I have mostly used his free tutorial, there are so many you can find on TH-cam and on the web.

[@edmondcarter9457]

I’m in a data analytics class and the instructor said exactly what you said that we need to say what are those terms but also explain how to do those terms especially joins and explain it like we been doing it for years on end. He gave us 50 interviews questions that we have to know and have to interview with him and get his approval before job hunting.

[@alexone532]

Which boot came are u taking this course? Thanks

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Ye Thanos ne pura topic cover Kiya 😂

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Bhai mere kal interview hai 😂😂😂.

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We all love you sir❤

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V confident sir want to be like him

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Superb sir

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[@radhika.a118]

Thank you sir

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Kadak ❤

[@Ajay-nm3rl]

Great sir

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Thanks sir

[@randolphcarter8283]

THANK YOU SIR, you have other videos with PHP/Wordpress?

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We have PHP QnA videos by Gurunatha Dogi - th-cam.com/video/1bpNSynUrl8/w-d-xo.html

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Love from Odisha.

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I want full video of sql questions and answers

[@questpondvideos]

Hello, SQL Server Q&A videos can be availed here - www.questpond.com/sql-server-interview-questions-and-answers/cid72

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Full 1hr video SQL please do share link

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I want one hour delay interview questions and please provide link for that class

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Cool I like it :D

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Full on video SQL interview

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Check this please th-cam.com/video/SEdAF8mSKS4/w-d-xo.html

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For dba interview all these not needed but just good to know

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He is talking about SQL interview, not DBA which u r referring here..

[@venkatesh73199]

For experience 4or 5 years exp what is the imp interview questions sir can you provide

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Please provide clickable link

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SQL DBA interview questions?

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Link

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[@questpondvideos]

Copy the link, paste it in your browser, and try: SQL Server Interview Questions : th-cam.com/video/SEdAF8mSKS4/w-d-xo.html

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Thank you sir

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Question - sir ne kitne bar chutki bajai

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Full video

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Here you can watch 1 hour SQL Server Q&A video - th-cam.com/video/SEdAF8mSKS4/w-d-xo.html , for more you can enquire about at questpond.com

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He should have said all… it would been better.

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I thought u telling us ur own knowledge but I saw u r eyes 😂

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Now im gonna snap after every sentence.

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I I Captain

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Sab e to bol diya... Aur kuch baki hai SQL mein... 🫰 Yeh sab to maloom hai.. interview mein selective kaunsa ata hai woh batana

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Actually all questions are important sir

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🫰ThanoSQL🫰

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CTE :-)

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Sir aap he interview dedo Mera itna yaad nhi rahega😂

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many of these chapters are not required for data analyst

[@questpondvideos]

If you are data analyst you should know everything about DB properly, there is no excuse