SQL Interview Questions and Answers | Intellipaat

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🔥Intellipaat SQL Training Course: intellipaat.com/microsoft-sql...
In this SQL interview questions and answers video you will see the top questions that are usually asked in the SQL interview process. We have collected these SQL Interview Questions based on the new curriculum for SQL so that you can include this in your SQL interview preparation and excel in the interview. We have tried to cover almost all the concepts so that you clear the interview with ease.
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Got any questions about SQL? Ask us in the comment section below.
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Why should you watch this SQL tutorial?
The SQL is one of the most important programming languages for working on large sets of databases. Thanks to the Big Data explosion today the amount of data that enterprises have to deal with is humongous. If you are looking to clear the SQL interview then this SQL interview questions and answers is a must watch for you. In this SQL interview questions video you will learn what are the most probable questions that will be asked in the interview.
Who is eligible to watch this SQL interview preparation video?
This SQL interview questions and answers video is both for experienced and freshers in the technology.
Why should you opt for a SQL career?
SQL optimization has always been a popular topic in database management. SQL Database optimization can be an extremely difficult task, in particular for large-scale data wherever a minute variation can result or impact drastically on the performance. So learning this skill will definitely help you grab the best jobs in top MNCs after finishing Intellipaat SQL online training. The entire Intellipaat SQL course is in line with the industry needs.There is a huge demand for SQL certified professional. The salaries for SQL professional are very good.
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Опубликовано:

30 июл 2024

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Комментарии : 277

@Intellipaat 4 года назад

Guys everyday we upload in depth tutorial on your requested topic/technology so kindly SUBSCRIBE to our channel👉( bit.ly/Intellipaat ) & also share with your connections on social media to help them grow in their career.🙂

@colletteayamba5875 4 года назад

Please I need help to answer my interview very so I can get a job do you offer training?

@user-jd9tr6wu3k 4 года назад

@@colletteayamba5875 ц,шьъ

@muskansoni1265 4 года назад

Hey guys, you're doing great job by helping us to understand these difficult courses easily. Please upload an advanced SQL tutorial video as well. It would be much helpful. :)

@shivenkhajuria2488 3 года назад

@intellipaat - Could you also please share a video on oracle reports and pl/sql?

@Intellipaat 4 года назад

Guys, which technology you want to learn from Intellipaat? Comment down below and let us know so we can create in depth video tutorials for you.:)

@rameshganta1071 4 года назад

Power BI

@Intellipaat 4 года назад

Hi Ramesh, here's the video link for Power BI: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-I3IGm97Q60s.html

@anshurai1631 4 года назад

Informatica PIM 360

@meetstudios3273 4 года назад

C++ and data structure and algorithms

@annaanna8927 3 года назад

Great job, thank you very much. What I especially appreciate is showing how we can run all these statements in sql

@Intellipaat 3 года назад

You're very welcome!

@amitshippie 3 года назад

For copying structure and data we can also write select * into newtable from oldtable. If we want only structure then can write select * into newtable from oldtable where 1=2

@rehanbaig71 4 года назад

Great trainer, effective methodology, deserve 7 star rating. It will be very nice if links of tables used in this video provided for practice along the video.

@Intellipaat 4 года назад

Thanks for the feedback. :) But sorry links are not available.:(

@AmitRaj-yy6nn 2 года назад

A great review and suggestion

@Rajjain_ 3 года назад

great video! @14.22 Actually, Postgres SQL allows the use of where clause even if you use group by, in that case WHERE clause will be used before grouping is done and HAVING clause if used check condition for group means applied after grouping. If anyone can confirm it. Great video btw thank you.

@Intellipaat 3 года назад

Welcome. Keep learning with Intellipaat😊

@praveenreddy9020 3 года назад

Appreciatable work sir.....thank you

@deepaksingh9318 4 года назад

very helpful for quick preparation in short time ...

@Intellipaat 4 года назад

Glad it was helpful. Keep learning with Intellipaat. :)

@SumitKumar-qc3wd 3 года назад

Thanks for this video, Its really helpful.

@subramaniang5265 4 года назад

Such an excellent trainer, provided with nice presentation. Thanks a lot!!!

@Intellipaat 4 года назад

Glad you liked it!

@vinayrh316 2 года назад

This method is simpler for copying data from 1 table to another table. -----copy the parent table schema rather than creating a new table with the column list-- select top 0 * into new_table from old_table ----then load the data---- Insert into new_table select * from Old_table

@swatishambhavi3649 4 года назад

You've thoroughly explained each and every answer, thank you so much, sir.

@Intellipaat 4 года назад

Glad it was helpful. Keep learning with Intellipaat. :)

@swatishambhavi3649 4 года назад

@@Intellipaat for sure :)

@sambhajighare8193 3 года назад

Nice tutorial. Thanks 👍

@japhetkiplagat8452 4 года назад

powerful this is a powerfull at the same time this is the career am persuing bro can i can get soome feed back to know much about this?

@kaustubhsharma4490 3 года назад

Last question - copy from one table to another. Was creating a new table necessary ? Cant we just do this - Select * into employee_duplicate from employee

@jatinpant6992 3 года назад

you are right, we don't have to create a table for that. it can be directly done.

@dheerajk6716 3 года назад

We can use Select * into tbl2 from tbl1 But in case we need the exact table schema which has constraints and keys associated , then select * into doesn't do that.. hence table schema is created first and then insert into script is used.. This is useful when we are working on table having huge records for faster data retrieval

@shahidkarim2260 4 года назад

Thnks u soo much which can help me in my learning

@ajin_thelosttraveller 3 года назад

Please add video for PKI and Cryptography interview questions 🙏

@subhasrikhanrah8716 2 года назад

My goodness how simple and how detailed teaching in a short time ..thanks

@Intellipaat 2 года назад

Glad it was helpful! @Subhasri Khanrah Do like, share & subscribe to our channel to get updates on upcoming videos

@butoyighyslain171 3 года назад

extremly well done..I feared it would be borin but it was perfect!!

@Intellipaat 3 года назад

Glad you liked it. Keep learning with Intellipaat😊

@getasewkasahun76 4 года назад

Hey buddy could U UPLOAD SSRS interieview questions.

@venkatasubbareddy6179 3 года назад

Very good explanation. Thank you so much 🙏

@Intellipaat 3 года назад

Welcome. stay tuned to Intellipaat😊

@justinakwetey5566 4 года назад

Please is there a DDL script available to creat the DB so i can practice ?

@ramyareddy4224 4 года назад

THANKS SIR IT IS VERY HELPFUL FOR US

@DB-sf1hy 4 года назад

Where is a stored procedure saved? How can you view it after it is created?

@santoshmunj3352 4 года назад

Cheers bro, explained really very well. However, for advanced learners need more in depth concepts for example- how to remove duplicates from a table?. Thanks in advance for such videos.

@Intellipaat 4 года назад

Sure Santosh, the videos will be uploaded soon, keep learning with Intellipaat. :)

@mohammedjasim2797 4 года назад

Hi can you help me pleas I need export query or select statement to excel sheet by sql code Pleas code not wizard And who can use for loop in stord prosedur ....thanks for help me ..

@akhiljidigum6097 4 года назад

Thankyou for sharing lot of knowledge,this is very helpful to me.

@Intellipaat 4 года назад

Glad it was helpful. Keep learning with Intellipaat. :)

@seemakiran2977 3 года назад

It mdhe job kartat ka

@konduruvenkatraju7876 2 года назад

Hello sir, Your doing a fantastic job continue like this , whatever u r explaining your videos very clearly and little bit and good concept✌❤

@Intellipaat 2 года назад

Thank you

@surajkumarwinner 2 года назад

I really learnt a lot .. great skill , great mentor. the way are u teaching it's really tremendous.

@Intellipaat 2 года назад

Thank You @Suraj kumar

@naveen95959 4 года назад

Sir the Tutorial was very helpful to me from the beginning SQL tutorial for beginners to this SQL Interview questions tutorial. All the topics were clearly explained by you. And I thank you for your dedicated contribution towards teaching & learning sector of the technology. I'll be thankful to you forever and I hope you'll be coming up with more advanced SQL interview question tutorials & other advanced technologies. Thank you again Sir.

@Intellipaat 4 года назад

Glad you liked it. Keep learning with Intellipaat. :)

@deepdive429 4 года назад

Hello! Your content is useful. I'm not an expert but I learned somewhere to copy structure of one table into another in 17th question you created same structure for a new table instead of this you can direct create structure with the query given below: Create table table_name like target_table;

@Intellipaat 4 года назад

Great it was helpful. Keep learning with Intellipaat. :)

@Harvi_srh 4 года назад

Ur video helped me a lot . I attended interview today they asked 3 questions which are there in ua video so I answered them easily

@Intellipaat 4 года назад

That's so great Shravani. Good luck & Keep learning with Intellipaat. :)

@jaiswalakash100 4 года назад

what are the 3 question asked in interview?

@shivarajhalageri2513 3 года назад

Shravani how were you able to get the interview call from where did you apply

@PrashanthG Год назад

Perfect tone for teaching. It reaches in single shot.

@Intellipaat Год назад

@prashanth-g Do like, share & subscribe to our channel to get updates on upcoming videos.

@kpereiraestrada 4 года назад

Excellent service

@balamuralikrishnab1625 4 года назад

What is the query for this Write a program to find list of duplicate mobileno in a list Assume there is a list populated with mobileno. Now in this list there can be some numbers repeated. Output of the program should have List of mobileno which is repeated at least once

@DibyenduMitraRoy 4 года назад

The 4th question (finding the second-highest salary) can also be answered in the following way "SELECT * FROM `employee` ORDER BY e_salary DESC limit 1,1"

@Intellipaat 4 года назад

cool.

@rahulaggarwal5057 4 года назад

Is this in SQL Server or MySQL?

@TadiRammohanreddybablu 4 года назад

Oracle: SELECT * FROM (select e_name,e_salary,dense_rank() over (order by e_salary desc) ranking from employee) WHERE ranking=2

@arunkumarkumar3833 4 года назад

Your query seems like mysql query

@bajrangibhaijaan9260 4 года назад

Create table Employee_Dup as Select * from Employee; Using this single statement we can create as well as copy record.

@suriyaprakashthatchinamoorthy 4 года назад

"Select * into Employee_Dup from Employee" also used

@praveenbarkali9582 4 года назад

Hi sir...... When u r typing a query in SQL database it's not clear to viewer.... U r explanation is very good sir...

@nifrasthahir2596 3 года назад

Excellent! And Excellent!

@Intellipaat 3 года назад

Glad you like it! Stay tuned to Intellipaat😊

@sukanyabhosale8042 2 года назад

for DELETE command delete row from column and is roll back but in TRUNCATE command it can not be roll back

@ATHARVA89 3 года назад

which is the most used SQL version considering from analytics point of view As I have hands on PostGre SQL

@ravisaxena95 2 года назад

Appreciated work done in this video so would like thanks for this kind of technical video.

@Intellipaat 2 года назад

Glad you liked it. @Ravi Saxena For personal support, you can reach out to our course advisors on IND: +91-7022374614 US: 1-800-216-8930 (Toll-Free).

@chetanpatil9892 2 года назад

with u i can understand completly sir other on intelipatt moving very speed

@Intellipaat 2 года назад

@Chetan Patil Hope it is helpful Do like, share & subscribe to our channel to get updates on upcoming videos.

@AmitSharma-qx6ry 3 года назад

Thank you so much !!! This video helped me got one !

@Intellipaat 3 года назад

You're welcome! @Amit Sharma Keep learning with us.

@galaxyjoseph4612 2 года назад

Thank You so much!!!!!!! it is very helpful.

@Intellipaat 2 года назад

@Galaxy Joseph Glad you liked it 😊 Do like, share & subscribe to our channel to get updates on upcoming videos.

@raghuputapawalu1851 2 года назад

The video was very helpful to us and the way of making vidoe and teaching level simple brilliant

@Intellipaat 2 года назад

Thank you @raghu putapawalu Keep Learning: )

@srinu3737 4 года назад

VERY BASIC QUS

@akhilhonnuru8321 3 года назад

Happy to see u here bharani

@mahiii7723 3 года назад

Good lecture and great explanation keep it going bro..........

@Intellipaat 3 года назад

Thanks a lot

@yashwanthvijay 4 года назад

Would like to what is a recursive CTE and where it is used in SQL

@Intellipaat 4 года назад

Hi, we will cover in the next session. :)

@ubongmbaba2319 4 года назад

Thanks for the video. Please can you upload data analysis with R

@Intellipaat 4 года назад

Sure. Noted.:)

@rajatgupta-qr8hz 4 года назад

Better than edureka. Good to explain with an example.

@rrl1919 3 года назад

Really nice exaplanation--sir please make video on ETL validation

@Intellipaat 3 года назад

Sure we will.

@punk77777 3 года назад

nice video, it really helps me.

@Intellipaat 3 года назад

Glad to hear that!

@pranavkulkarni4165 4 года назад

In Question 15 i.e. about UNION and UNION ALL operator the output you showed is wrong I think so. The extra orange fish is present rather than Blue Fish. Kindly Clarify. Addition to that want to say that your videos are super helpful and we are getting all the knowledge from fundamental to expert things. Regards, Pranav K

@pranavkulkarni4165 4 года назад

Users are spending time to write an comments but if you people didn't respond to that then whats the use of RU-vid channel and comment box.

@aryanshinde1822 Год назад

Select * from employee as e1. where 3-1=(select count (distinct)(salary) from employee as e2 where e2.salary>=e1.salary,

@Intellipaat Год назад

If you wish to get Personal support Kindly call our course advisors on IND: +91-7022374614 US: 1-800-216-8930 (Toll-Free).

@miteshjain56 4 года назад

Best explanation nice sir

@Intellipaat 4 года назад

Thanks. Stay tuned to Intellipaat to keep learning. :)

@kolukuluriaditya2284 4 года назад

Can you make a video on btech passed out in 2019; what to do

@Intellipaat 4 года назад

Sure, will forward the topic to the respective team and will upload the video soon. Please subscribe to Intellipaat channel & press the bell icon so that you don't miss that video from us.

@VishnuVardhan-br4yp 4 года назад

I like your way of teaching

@Intellipaat 4 года назад

Thanks Vishnu.:)

@mohamedabdeen9173 4 года назад

This is for oracle or Microsoft?

@akshatabali2325 4 года назад

Hey can you please tell me the difference between inner join and intersect opration because both of these method returns same output

@Intellipaat 4 года назад

Sure. In the next session.

@akshatabali2325 4 года назад

@@Intellipaat thank you 😇

@jagadishmithun 4 года назад

It is a very good and please update graphical user interface lab sir plzzz

@Intellipaat 4 года назад

👍 Cool. :)

@ravindranaths581 3 года назад

Very basic question... Good for students

@Intellipaat 3 года назад

Glad it was helpful. Keep learning with Intellipaat😊

@arunkumarr2302 3 года назад

Very worthy 👍❤️

@Intellipaat 3 года назад

Glad you liked it. Keep learning with Intellipaat😊

@UKJ28 4 года назад

Hello Sir, please increase the font size in all videos, I have to skip such good videos due to font size. Thanks

@karma3949 Год назад

How to get result in text column as underlined and coloured font for any DML update query? For example Please submit your delivery Papers before Jan 1 - Jan 1 should underlined with yellow fonts.

@Intellipaat Год назад

If you wish to get Personal support Kindly call our course advisors on IND: +91-7022374614 US: 1-800-216-8930 (Toll-Free).

@chinnuteju9059 3 года назад

Thank you so much sir☺

@Intellipaat 3 года назад

Most welcome.

@bharathm5322 4 года назад

GOOD EXPLANATION

@Intellipaat 4 года назад

Thank you for watching. :)

@taniyasharma8924 3 года назад

Excellent💯

@Intellipaat 3 года назад

Thank you! Cheers!

@arunavanka1240 3 года назад

hello sir very good explanation but can I know the IDE u used plz

@abdulravoof6444 3 года назад

Very informative

@Intellipaat 3 года назад

Glad it was helpful!

@TheVishal1994 3 года назад

Superb Content.

@Intellipaat 3 года назад

Glad you think so! Keep watching! Thank you!

@thesujata_m 3 года назад

1 correction for aggregate functions: we can use where clause in aggregate queries too, for aggregate group by is mandatory

@harivaradan2989 3 года назад

Yes u r crt

@akashvarma6822 2 года назад

ya ur genius

@themachinelearningarchitect 4 года назад

Awesome 😉

@Intellipaat 4 года назад

Glad you liked it. Keep learning with Intellipaat.:)

@AshwiniJagtap-cg7fv 4 года назад

Sir it's good combination of theory and practical but the text at bottom due to that not able to see the tables at bottom

@Intellipaat 4 года назад

Hi, if it is the subtitle, then click on "cc" (bottom, right side) once again so that it will be hidden, and then you can view the video content.

@BilalKhan-sx9eu 3 года назад

Explained Well.

@Intellipaat 3 года назад

Thank you @Bilal Khan

@ashitavermani4508 2 года назад

very well explained

@Intellipaat 2 года назад

Thankyou @Ashita Vermani Keep learning with us:- )

@AbhiGamer683 3 года назад

thanks a lot for this short and crispy useful tutorial, what is the difference between UNION and INNER JOIN ? please

@Intellipaat 3 года назад

JOIN in SQL is used to combine data from many tables based on a matched condition between them. UNION in SQL is used to combine the result-set of two or more SELECT statements.

@dishanx 4 года назад

Duplicate table and insert, Select * into employee_duplicate from employee;

@Intellipaat 4 года назад

cool.

@yuvrajsaini732 3 года назад

Absolutely I was about to write this in comment section

@marvelvsdc6370 4 года назад

In depth JavaScript tutorial .. please

@Intellipaat 4 года назад

Hi, we will be uploading this video very soon. Stay tuned!

@akshaysilgari2097 3 года назад

Great video bro

@Intellipaat 3 года назад

Glad you enjoyed!

@P5toraskar1986 2 года назад

Superb video

@Intellipaat 2 года назад

Thank you so much 😀 @Parag Toraskar Do like, share & subscribe to our channel to get updates on upcoming videos.

@shubairabbas5480 4 года назад

You are awesome

@Intellipaat 4 года назад

Thankyou. :)

@mjmak82 4 года назад

Liked... Very much presentful

@Intellipaat 4 года назад

Glad you liked it. Keep learning with Intellipaat. :)

@jahnavijaanu5622 4 года назад

Please upload video on MySQL. Interview questions for fresher's and please upload project on MySQL

@Intellipaat 4 года назад

Sure . Noted. Will upload soon. :)

@piyushrai6293 2 года назад

Thanks for the good tuition

@Intellipaat 2 года назад

You are welcome @Piyush Rai Do like, share & subscribe to our channel to get updates on upcoming videos.

@amanahmed6057 2 года назад

but now he is in great learning platform

@d.choudhary2705 4 года назад

Pls upload advance level sql interview questions and answers videos.

@Intellipaat 4 года назад

Hi Dinesh, in this video we have covered basics and advanced both the questions. Please watch the complete video. :)

@d.choudhary2705 4 года назад

@@Intellipaat I watched then replied. I mean , pls make videos with little complex examples. So those will helpful for working professional too.

@Intellipaat 4 года назад

Alright. Will upload another video with more advanced questions. Stay tuned to Intellipaat channel.:)

@d.choudhary2705 4 года назад

@@Intellipaat I like your videos and work. Doing good job.

@Intellipaat 4 года назад

@@d.choudhary2705 Thanks a lot. Keep learning with Intellipaat.:)

@altamashkhan5009 4 года назад

How to write a command for 3rd highest salary

@nikhilreddy5996 4 года назад

can you please make a video on interview questions for experienced people this one is good but i think we will face more complex questions from interviewer

@Intellipaat 4 года назад

Sure, will forward the topic to the respective team and will upload the video soon. Please subscribe to Intellipaat channel & press the bell icon so that you don't miss that video from us.