Top 65 SQL Interview Questions and Answers | SQL Interview Preparation | SQL Training | Edureka

[@edurekaIN]

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[@JustSaanvi]

It's really useful for preparing interview

[@kennyng1037]

What is the difference between DELETE and TRUNCATE statements 1:!8 What are the different subsets of SQL 2:06 What do you mean by DBMS> What are its different types 3:32 What do you mean by table and field in SQL 4:57 What are joins in SQL 5:44 What is the difference between CHAR and VARCHAR2 datatype in SQL 6:00 What are constraint 7:48 What is the difference between SQL and mySQL? 9:28 What is unique key? 10:22 What is foreign key? 10:22 What is data integrity 11:25 What is the difference between Clustered and Non-clustered index in SQL? 11:57 Write a SQL query to display the current date 13:04 Different types of joins 14:10 Denormalization 15:36 Entities and Relationships 16:15 Indexes 17:36 DIfferent Types of Indexes 18:26 Normalization and its advantage 19:23 Differences between Drop and Truncate 20:09 Different Types of Normalization 20:55 What is ACID 25:05 Trigger in SQL 26:03 Different Operators of SQL 27:20 NULL value vs zero or blank space 27:31 CROSS JOIN VS NATURAL JOIN 28:07 Subquery 28:37 Different types of subqueries 29:28 List Ways of get the count of records in table 30:08 Write SQL query to find names of employees that begin with "A" Write SQL query to get the third highest salary of an employee from employee table Group functions in SQL 32:10 What is Relationship and types of relationships 32:38 How to insert NULL values in a column when inserting data 33:40 Explain BETWEEN vs IN with an example Why are SQL functions used 34:59 What is the need of MERGE statement 35:17 What is recursive stored procedure 35:40 What is CLAUSE 36:08 HAVING CLAUSE vs WHERE CLAUSE 36:40 List ways of Dynamic SQL 37:20 Levels of constraints 37:46 Fetch common record from two tables 38:00 List Case manipulation functions 38:49 Different set operators 40:06 ALIAS command 41:10 What are aggregate and scalar functions 41:47 Fetch alternate (ODD/EVEN) records from a table 42:26 Name the operator which is used in query for pattern matching 43:22 Unique records from a table 44:22 Fetch first five letters from a string 44:43 Main difference between SQL and PL/SQL 45:33 What is a view 46:20 What are views used for 47:00 What is stored procedure 47:11 Advantages and Disadvantages of Stored Procedures 47:57 List all types of user-defined functions 48:36 Collation 48:44 Types of Collation Sensitivity 49:09 Local vs Global variables 49:27 Auto increment 50:07 Data warehouse 50:47 Authentication modes in SQL servers 50:57 STUFF and REPLACE function 51:56

[@divyaparmar6646]

THANK YOU SO MUCH FOR THIS VIDEO . I ONLY STUDIED FROM YOUR VIDEO FOR MY INTERVIEW AT FEDEX AND I'VE GOT DESIRED JOB ROLE . 💟💟💟💟💟💟💟💟💟

[@vinodkumarn.b251]

Question No 52 : To fetch the first 5 characters from a string is not RIGHT() function it should be LEFT() Function

[@nishchaysharma5904]

Gone through all the questions. Feeling more confident now, Thanks edureka for the amazing content 🙂

[@edurekaIN]

Hey:) Thank you so much for your sweet words :) Really means a lot ! Glad to know that our content/courses is making you learn better :) Our team is striving hard to give the best content. Keep learning with us -Team Edureka :) Don't forget to like the video and share it with maximum people:) Do subscribe the channel:)

[@Inconvenient-MRKim]

I have an interview tomorrow. Thanks a lot. It was really helpful!

[@edurekaIN]

We are glad that our video was of great help to you. Do subscribe to our channel and stay connected with us. Cheers :)

[@udayptp]

For creating this type of content on SQL you deserve salute thank you very much mam

[@aniketbanerjee0079]

Thanks a lot helped me create notes and brushing up ! Kudos to you guys

[@akasshjoshhi6926]

Damn! This was more productive session than a college lecture

[@danielalcivar6395]

Wow! thank you so much, just finished reviewing and studying this questions. I'll put them to use now.

[@mrkaul9867]

Thanks for the video. Very helpful. I'm amazed by this girl .. She literally spoke non-stop . :D

[@jasmeetsinghvirdi77]

Thanks for this video. It recalled all my concepts and helped me to clear one telephonic round..

[@a.asadsh]

Thank you zillion times! Really helped me for the preparation of the Associate Software Developer interview!

[@Lana-rx6qe]

Thank you for the video. Sharp answers. Great for interview preparation

[@3pmeyer]

This video was helpful. A review of execution plans would be helpful.

[@NithyaShivaa]

Thank you so much. This session is really helped me allot.

[@NavratnaPawalespecial]

This very helpful. Thanks a lot! It would be great if it has the concepts of CTE, temp table, and their differences, try-catch block, stored procedures vs functions, sql profiler, and execution plan.

[@edurekaIN]

Hi, thank you for your wonderful suggestion, we have considered your feedback and will work on it. Do subscribe to our channel for updates, cheers :)

[@rachanaupadhyay5251]

I loved the Edureka tutorials by Sahiti. She explains so well and to the point. Springboot tutorial also quite good.

[@edurekaIN]

Hey Rachana, thanks for appreciating our efforts. We are glad you loved the video. Do subscribe to our channel and stay connected with us. Cheers!

[@prachiksh]

Very helpful video , well explained and very good collection of interview questions , Thankyou 🙏

[@anilchary2897]

Got so much of clarity on SQL Related questions and Answers.Thanks for the effort.

[@edurekaIN]

Good To know our videos are helping you learn better :) Stay connected with us and keep learning ! Do subscribe the channel for more updates : )

[@arun_sql_msbi480]

Hi, I have attended the interview, got a lots of questions so please help me out in this regard. Queries 1. When have to create a clustered index and nonclustered index in a table ? 2. When have to use union or joins? 3. Why use views? 4. When have to use cursors? Give an live example with data 5. How many Max columns can be created in a table at a time ? 6. What is difference between decimal and float Please reply..!!

[@edurekaIN]

Hi, You can find the answers for all these questions here: www.edureka.co/blog/mysql-tutorial/. And you can also refer to this: www.edureka.co/blog/sql-commands

[@snehasharma710]

Nice, God job you did in this video. First Time I saw complete video of SQL. Happy with this video 👍

[@aruncharlie7559]

Amazing energy level, Thanks for crisp and clear presentation

[@mahsasadat7153]

Thank you so much it was very helpful

[@varaprasad4163]

you guys are really doing great job.

[@spaceghost7807]

Thank you so much for this! I just finished a coding camp and wanted to review everything about sql and its alllll here. Thanks :)

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We are super happy that Edureka is helping you learn better. Your support means a lot to us and it motivated us to create even better learning content and courses experience for you . Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )

[@ZaherA.G]

Wow amazing I found all valuable questions and whole syllabus is covered... Thanks alot! 👏👏👍

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Hi : ) We really are glad to hear this ! Truly feels good that our team is delivering and making your learning easier :) Keep learning with us .Stay connected with our channel and team :) . Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )

[@harshitaholey1773]

It was a very helpful video for me..to brush up my knowledge about sql.. I hope I'll pass my interview regarding sql...thank u so much..lots of respect..

[@edurekaIN]

You are welcome👍 We're glad we could be of help. It's very encouraging to know that you found our content useful.

[@siraajshaikh3264]

This video is pure gold, thank you so much team for putting this together.

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We are super happy that Edureka is helping you learn better. Your support means a lot to us and it motivated us to create even better learning content and courses experience for you . Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )

[@kumudatalluri8406]

Thank you for great session which really helps for beginners 👍🏻

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[@mehakwalia7769]

Really helpful and very well explained. Thanks a lot!

[@zuberahmed1268]

Well explanation for interview preparation on SQL. Thank you.

[@rhutujathakur9703]

Thank you so much for this video. Helped me clear a round. Almost every question asked was covered in this video. Great work!

[@edurekaIN]

Thank you so much for the review ,we appreciate your efforts : ) We are glad that you have enjoyed your learning experience with us .Thank You for being a part of our Edureka team : )

[@olayinkaolabode504]

Whao ! Great!! It really helps a lot. Can the pdf format of the questions and answers be provided? Thanks a bunch!

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Hi ! Good to know that our videos are helping you to learn better :) Please share your mail id to share the data sheets :)We’ll update you soon . Do subscribe the channel for more updates : )

[@rentavillaingoa1928]

in normalization, 1 NF, why did we remove the column "Category" from table and never used it later?

[@chamelion100]

Very very helpful................Thanks a ton

[@sukumarsa9039]

Timeline 33:38 , NULL values can also be inserted via DEFAULT constraint !

[@amrendersingh5170]

I should have watched this yesterday:-)

[@nikhilbalotra3675]

Gone through all the questions. Amazing content as well as explanation😃

[@edurekaIN]

Thank you😊 Glad you liked it!! Keep learning with us..

[@gopiketineni7950]

very good explanation...i had more confident on sql by saw this video thanks a lot...🙂

[@edurekaIN]

We are very glad to hear that your a learning well with our contents :) continue to learn with us and don't forget to subscribe our channel so that you don't miss any updates !

[@dilipsahu6050]

Thanks for helping us interview preparation

[@krishnavenikona1816]

Very good and useful.Good explanation madam.Thank you so much......

[@edurekaIN]

You are most welcome !! Glad you liked it !!

[@deepikaa1106]

feeling more confident thanks Edureka🙂🥰

[@edurekaIN]

You are welcome 🙂 Glad it was helpful!!! Keep learning with us...

[@shahzakerin6933]

This is such a great video and informative. I appreciate your fast and quick simple explanation. Keep it up .....Best of luck. Thank you

[@sudharshanreddy2071]

Can we convert a date to char in oracle and if so,what would be the syntax...🤔🤔🤔

[@arif_nitc]

Awesome work Guys!! ❤️❤️Loved it!! 👍💐

[@ahmadnasir8856]

Thank you for the tutorial, it is very helpful I have SSMS installed Can I get a pdf of this tutorial so I can practice sql with complex commands

[@edurekaIN]

We are glad to have learners like you. Please do share your mail id so that we can send the notes or source codes. Do subscribe our channel and hit that bell icon to never miss an video from our channel

[@manojSharma-qo7iy]

Really great tutorial. Your explaining speed is little fast only

[@Priyankaskitchenart]

Amazing very valuable and helpful video thnx for sharing

[@dramaticfever5419]

Very attentive session, thanks for this video

[@edurekaIN]

You're welcome 😊 Glad it was helpful!! Keep learning with us

[@ayushsrivastava830]

All things covered in this session were useful

[@sheikmohdzaheem3933]

Non stop interview questions 😀

[@devikasaodekar8011]

Very nice video.. only.speed was a problem..It was too fast. Thank you!

[@sachinbarge2570]

Five star for your energetic and Superb explanation🙏

[@edurekaIN]

Hi : ) We really are glad to hear this ! Truly feels good that our team is delivering and making your learning easier :) Keep learning with us .Stay connected with our channel and team :) . Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )

[@Addistoday]

🏆🏆🏆🏆🏆thanks

[@taniyabegum3903]

Thank you so much Mam. Good bless u :)

[@chrisogonas]

Awesome! Thanks

[@edurekaIN]

You're welcome 😊 Glad you liked it!!

[@KurupH]

Awesome training videos. Good job guys

[@narayanagottipati5980]

Please post the experienced interview questions also...

[@edurekaIN]

Hi Narayana, thanks for watching the video. We will process your request as soon as possible. Do subscribe to our channel and stay connected with us. Cheers!

[@vireshmohan7554]

Amazing energy level and content.... Thanks for making this video and helping out lacs of ppl.

[@edurekaIN]

Hey:) Thank you so much for your sweet words :) Really means a lot ! Glad to know that our content/courses is making you learn better :) Our team is striving hard to give the best content. Keep learning with us -Team Edureka :) Don't forget to like the video and share it with maximum people:) Do subscribe the channel:)

[@shaikhassain4276]

Really helpful and made me more confident.

[@edurekaIN]

Great to hear!

[@weiwei_4105]

Thank you!!!!! It is really really helpful.

[@thankfulgrateful]

It's deeply helpful for SQL server study

[@edurekaIN]

Glad it was helpful!!

[@wros_han]

Thanks a lot edureka 💙

[@piyushrajmishra]

Very detailed and comprehensive.

[@nitinoberoi2131]

Very knowledgeable and correct video for sql interviews 👍👍

[@palaipankaj]

Whoever watching this video, I am telling you this could be the productive 53:44 of your life...

[@dilworth6113]

Such a helpful video for SQL Interview, thank you so much!

[@edurekaIN]

Good To know our videos are helping you learn better :) Stay connected with us and keep learning ! Do subscribe the channel for more updates : )

[@asifkhan-qq9jb]

Thank you edureka team..

[@jcalli66]

Well done and very helpful -thank you for putting this together!

[@edurekaIN]

Thanks for the compliment! We are glad that our video was of great help to you. Do give this video a thumbs up and subscribe to the channel for more amazing content.

[@ЕвгенийПетровский-ф2ч]

Big thanks from Minsk! I have a bad english, but understand what you mean!!! Good luck for you chanel)

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Thanks for the appreciation. We are delighted to see learners like you on-board with us. Do subscribe, like and share to stay connected with us. Cheers!

[@isragaytanmistico]

Thanks for share this!!! Blessings!

[@solomon645]

Very helpful and clear explanation, thank you so much.

[@santhoshisravya]

THANKS A LOT FOR SUCH A WONDERFUL EXPALANATION...I DID WELL IN THE INTERVIEW

[@edurekaIN]

You're welcome 😊 Stay connected with our channel and team :) . Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )

[@rjsashi3296]

Really very nice video. I have attended several interviews and ii got most of the question from this Video. Thanks a lot

[@edurekaIN]

Thank you for appreciating our efforts. We are glad that our video was of great help to you. Do subscribe to our channel and stay connected with us. Cheers!

[@rupalikashyap5708]

Only 5 mins to explain normalization with its type ... hatss off ..

[@edurekaIN]

Hey:) Thank you so much for your sweet words :) Really means a lot ! Glad to know that our content/courses is making you learn better :) Our team is striving hard to give the best content. Keep learning with us -Team Edureka :) Don't forget to like the video and share it with maximum people:) Do subscribe the channel:)

[@dhatchanar8031]

Please upload the more video related sql queries interview questions... Like 32:10..

[@SalmanKhan-qi6wu]

The way you are explained is 💯 understable and perfect mam....

[@edurekaIN]

Thank you for your review : ) We are glad that you found our videos /contents useful . We are also trying our best to further fulfill your requirements and enhance your expirence :) Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )

[@malaydelwadiya3101]

great work

[@edurekaIN]

Thank you! 😊

[@galaxyjoseph4612]

Thank you so Much. very Helpful

[@edurekaIN]

You're welcome! Glad to help you :) Your support means a lot to us and it motivated us to create even better learning content and courses experience for you . Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )

[@jorgevasquezang]

This video is all I need, thanks for sharing!

[@vrajpatel5335]

Thank you so much for this video

[@edurekaIN]

You are so welcome!

[@girish90]

Really helpful!

[@taylanozen3673]

Hi, firstly I really thank you for videos. I am very grateful you. Hopefully you are the best in your carrier which is bigger than your imagination

[@edurekaIN]

Hi : ) We really are glad to hear this ! Truly feels good that our team is delivering and making your learning easier :) Keep learning with us .Stay connected with our channel and team :) . Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )

[@abhijitrao2707]

Very nice explanation covered most of the important topics and that too in a less time frame Thanks..!!

[@edurekaIN]

Hey Abhijit, thank you for appreciating our efforts! We are glad you loved the video. Do give this video a thumbs up and subscribe to the channel for more amazing content. Cheers!

[@pritivartak9323]

Can you please share interview questions for a PL/SQL developer with 1-2 years of experience?

[@meghapawar3368]

Amazing 😊

[@AlanRoquecantante]

Great!!! Thanks a lot for sharing this

[@Esoteric_India]

Thanks for the video. also expecting a video with some real time scenario & answers.

[@edurekaIN]

Thank you for appreciating our efforts. Do subscribe to our channel and stay connected with us. Cheers :)

[@antonkarpovich4201]

Just as much info as needed for every question. No more, no less. And so many questions are really common in interviews. Thanks a lot for sharing such useful knowledge!

[@edurekaIN]

Hi Anton, thank you for your valuable feedback. Happy learning :)

[@abiodunmabidemi8703]

Awesome Interview resources....Thank you

[@edurekaIN]

Hi Abiodun. thank you. Do subscribe to our channel and stay tuned for more informative resources to ace in your career. Happy learning :)

[@hameeztahir861]

Today is my interview. God Bless You. Thanks a lot.

[@edurekaIN]

You are most welcome Hameez, let us know if our video helped. Also you can put here the SQL questions which you were asked in your interview, this will help other learners as well.

[@MRizwan-a2z]

Perfect! ❤️

[@mohammadaltamashansari3818]

Apka bohat bohat Shukriya.

[@edurekaIN]

Thank you so much for the review ,we appreciate your efforts : ) We are glad that you have enjoyed your learning experience with us .Thank You for being a part of our Edureka team : ) Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )

[@filmy_fanatic]

Such great content.!! Where will I get this pdf ?

[@edurekaIN]

Hi great to hear from you :) please share your mail id ! so that we can share the data sheet with you :)Do subscribe the channel for more updates : )

[@himanshuprajapati2238]

Very helpful... can you please share this PDF ?

[@edurekaIN]

Hi Himanshu, you can refer to the following blog for the same: www.edureka.co/blog/interview-questions/sql-interview-questions

[@charugupta3150]

These ques are really helpful Can you please share the pdf of these ques

[@codystrong2938]

Tq ma'am

[@shishukumarchoudhary5989]

outstanding explanation

[@piobasartejr.7686]

Very helpful Edureka