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

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  • Опубликовано: 21 ноя 2024

Комментарии • 357

  • @edurekaIN
    @edurekaIN  5 лет назад +100

    Got a question on the topic? Please share it in the comment section below and our experts will answer it for you. For Edureka MySQL DBA training curriculum, Visit our Website: bit.ly/2B5EwLJ

    • @JustSaanvi
      @JustSaanvi 5 лет назад +10

      It's really useful for preparing interview

  • @kennyng1037
    @kennyng1037 3 года назад +1574

    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
    @divyaparmar6646 3 года назад +99

    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
    @vinodkumarn.b251 2 года назад +151

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

  • @nishchaysharma5904
    @nishchaysharma5904 2 года назад +93

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

    • @edurekaIN
      @edurekaIN  2 года назад +9

      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
    @Inconvenient-MRKim 5 лет назад +57

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

    • @edurekaIN
      @edurekaIN  5 лет назад +6

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

  • @udayptp
    @udayptp 4 года назад +71

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

  • @jasmeetsinghvirdi77
    @jasmeetsinghvirdi77 4 года назад +42

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

  • @akasshjoshhi6926
    @akasshjoshhi6926 3 года назад +101

    Damn!
    This was more productive session than a college lecture

  • @danielalcivar6395
    @danielalcivar6395 4 года назад +40

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

  • @aniketbanerjee0079
    @aniketbanerjee0079 3 года назад +48

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

  • @a.asadsh
    @a.asadsh 4 года назад +35

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

  • @Lana-rx6qe
    @Lana-rx6qe 4 года назад +12

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

  • @arun_sql_msbi480
    @arun_sql_msbi480 5 лет назад +11

    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
      @edurekaIN  5 лет назад +1

      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

  • @mrkaul9867
    @mrkaul9867 4 года назад +19

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

  • @rentavillaingoa1928
    @rentavillaingoa1928 2 года назад +3

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

  • @NithyaShivaa
    @NithyaShivaa 3 года назад +35

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

  • @NavratnaPawalespecial
    @NavratnaPawalespecial 4 года назад +48

    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
      @edurekaIN  4 года назад +7

      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 :)

  • @3pmeyer
    @3pmeyer 5 лет назад +43

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

  • @anilchary2897
    @anilchary2897 2 года назад +5

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

    • @edurekaIN
      @edurekaIN  2 года назад

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

  • @olayinkaolabode504
    @olayinkaolabode504 Год назад +1

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

    • @edurekaIN
      @edurekaIN  Год назад

      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 : )

  • @sheikmohdzaheem3933
    @sheikmohdzaheem3933 2 года назад +3

    Non stop interview questions 😀

  • @krishnavenikona1816
    @krishnavenikona1816 2 года назад +1

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

    • @edurekaIN
      @edurekaIN  2 года назад

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

  • @aruncharlie7559
    @aruncharlie7559 4 года назад +24

    Amazing energy level, Thanks for crisp and clear presentation

  • @spaceghost7807
    @spaceghost7807 2 года назад +2

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

    • @edurekaIN
      @edurekaIN  2 года назад +1

      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 : )

  • @varaprasad4163
    @varaprasad4163 4 года назад +14

    you guys are really doing great job.

  • @dramaticfever5419
    @dramaticfever5419 Год назад +1

    Very attentive session, thanks for this video

    • @edurekaIN
      @edurekaIN  Год назад

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

  • @harshitaholey1773
    @harshitaholey1773 4 года назад +4

    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
      @edurekaIN  4 года назад +1

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

  • @rachanaupadhyay5251
    @rachanaupadhyay5251 4 года назад +20

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

    • @edurekaIN
      @edurekaIN  4 года назад +2

      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!

  • @rupalikashyap5708
    @rupalikashyap5708 2 года назад +1

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

    • @edurekaIN
      @edurekaIN  2 года назад

      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:)

  • @prachiksh
    @prachiksh 4 года назад +9

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

  • @amitkumarswengineer5004
    @amitkumarswengineer5004 2 года назад +3

    Nice video

  • @deepikaa1106
    @deepikaa1106 2 года назад +1

    feeling more confident thanks Edureka🙂🥰

    • @edurekaIN
      @edurekaIN  2 года назад +1

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

  • @ahmadnasir8856
    @ahmadnasir8856 Год назад +1

    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
      @edurekaIN  Год назад

      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

  • @chamelion100
    @chamelion100 5 лет назад +13

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

  • @chrisogonas
    @chrisogonas Год назад +1

    Awesome! Thanks

    • @edurekaIN
      @edurekaIN  Год назад +1

      You're welcome 😊 Glad you liked it!!

  • @snehasharma710
    @snehasharma710 4 года назад +7

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

  • @dilipsahu6050
    @dilipsahu6050 4 года назад +5

    Thanks for helping us interview preparation

  • @devikasaodekar8011
    @devikasaodekar8011 3 года назад +1

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

  • @gopiketineni7950
    @gopiketineni7950 2 года назад +1

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

    • @edurekaIN
      @edurekaIN  2 года назад

      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 !

  • @siraajshaikh3264
    @siraajshaikh3264 2 года назад +5

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

    • @edurekaIN
      @edurekaIN  2 года назад

      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 : )

  • @thankfulgrateful
    @thankfulgrateful 2 года назад +1

    It's deeply helpful for SQL server study

    • @edurekaIN
      @edurekaIN  2 года назад

      Glad it was helpful!!

  • @zuberahmed1268
    @zuberahmed1268 3 года назад +4

    Well explanation for interview preparation on SQL. Thank you.

  • @rhutujathakur9703
    @rhutujathakur9703 3 года назад +18

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

    • @edurekaIN
      @edurekaIN  3 года назад +1

      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 : )

  • @shaikhassain4276
    @shaikhassain4276 11 месяцев назад

    Really helpful and made me more confident.

    • @edurekaIN
      @edurekaIN  11 месяцев назад +1

      Great to hear!

  • @mahsasadat7153
    @mahsasadat7153 5 лет назад +11

    Thank you so much it was very helpful

  • @manojSharma-qo7iy
    @manojSharma-qo7iy 4 года назад +3

    Really great tutorial. Your explaining speed is little fast only

  • @sudharshanreddy2071
    @sudharshanreddy2071 2 года назад +2

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

  • @nikhilbalotra3675
    @nikhilbalotra3675 Год назад +2

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

    • @edurekaIN
      @edurekaIN  Год назад +1

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

  • @kumudatalluri8406
    @kumudatalluri8406 3 года назад +8

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

    • @edurekaIN
      @edurekaIN  3 года назад +1

      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 : )

  • @ZaherA.G
    @ZaherA.G 3 года назад +4

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

    • @edurekaIN
      @edurekaIN  3 года назад +1

      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 : )

  • @abdullajamal
    @abdullajamal 2 года назад +1

    what is fixit length and what is schema what is synonyms

  • @piyushrajmishra
    @piyushrajmishra Год назад

    Very detailed and comprehensive.

  • @malaydelwadiya3101
    @malaydelwadiya3101 2 года назад +2

    great work

  • @narayanagottipati5980
    @narayanagottipati5980 5 лет назад +12

    Please post the experienced interview questions also...

    • @edurekaIN
      @edurekaIN  5 лет назад +3

      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!

  • @mehakwalia7769
    @mehakwalia7769 4 года назад +8

    Really helpful and very well explained. Thanks a lot!

  • @taniyabegum3903
    @taniyabegum3903 3 года назад +1

    Thank you so much Mam. Good bless u :)

  • @amrendersingh5170
    @amrendersingh5170 4 года назад +9

    I should have watched this yesterday:-)

  • @nirvairkaur4844
    @nirvairkaur4844 2 года назад

    Hello ma'am can we have questions for the interview of a business analyst trainee

    • @edurekaIN
      @edurekaIN  2 года назад

      Thanks for showing interest in Edureka kindly visit the channel for more videos our content creators are eagerly waiting for your suggestion to make new videos on your interest :) DO subscribe for the video update

  • @MK-yg7zf
    @MK-yg7zf Год назад +1

    Thank you to each and everyone.

    • @edurekaIN
      @edurekaIN  Год назад

      You're Welcome 😊 Glad it was helpful!!

  • @meghapawar3368
    @meghapawar3368 2 года назад +1

    Amazing 😊

  • @shahzakerin6933
    @shahzakerin6933 3 года назад +8

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

  • @santhoshisravya
    @santhoshisravya 2 года назад +1

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

    • @edurekaIN
      @edurekaIN  2 года назад

      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 : )

  • @charugupta3150
    @charugupta3150 Год назад

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

  • @akankshasoni5758
    @akankshasoni5758 4 года назад +1

    Thank you

  • @dhanarajumattaparthi6399
    @dhanarajumattaparthi6399 3 года назад +1

    Thanks..

  • @fashionate6527
    @fashionate6527 11 месяцев назад

    Excellent session

  • @piobasartejr.7686
    @piobasartejr.7686 4 года назад +1

    Very helpful Edureka

  • @dhatchanar8031
    @dhatchanar8031 Месяц назад

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

  • @Addistoday
    @Addistoday Год назад

    🏆🏆🏆🏆🏆thanks

  • @codystrong2938
    @codystrong2938 2 года назад +1

    Tq ma'am

  • @girish90
    @girish90 4 года назад +2

    Really helpful!

  • @mohammadaltamashansari3818
    @mohammadaltamashansari3818 3 года назад

    Apka bohat bohat Shukriya.

    • @edurekaIN
      @edurekaIN  3 года назад

      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 : )

  • @ayushsrivastava830
    @ayushsrivastava830 4 года назад +4

    All things covered in this session were useful

  • @dilworth6113
    @dilworth6113 2 года назад

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

    • @edurekaIN
      @edurekaIN  2 года назад

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

  • @SalmanKhan-qi6wu
    @SalmanKhan-qi6wu 3 года назад

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

    • @edurekaIN
      @edurekaIN  3 года назад +1

      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 : )

  • @sachinbarge2570
    @sachinbarge2570 3 года назад +1

    Five star for your energetic and Superb explanation🙏

    • @edurekaIN
      @edurekaIN  3 года назад

      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 : )

  • @shishukumarchoudhary5989
    @shishukumarchoudhary5989 4 года назад +1

    outstanding explanation

  • @galaxyjoseph4612
    @galaxyjoseph4612 3 года назад

    Thank you so Much. very Helpful

    • @edurekaIN
      @edurekaIN  3 года назад

      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 : )

  • @filmy_fanatic
    @filmy_fanatic 2 года назад

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

    • @edurekaIN
      @edurekaIN  2 года назад

      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 : )

  • @kuruvasomasekhar451
    @kuruvasomasekhar451 2 года назад +1

    GOOD

  • @rjsashi3296
    @rjsashi3296 5 лет назад +3

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

    • @edurekaIN
      @edurekaIN  5 лет назад

      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!

  • @rnagabhaskerrnagabhasker1408
    @rnagabhaskerrnagabhasker1408 3 года назад +1

    Super

  • @himanshuprajapati2238
    @himanshuprajapati2238 4 года назад +1

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

    • @edurekaIN
      @edurekaIN  4 года назад +2

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

  • @vireshmohan7554
    @vireshmohan7554 3 года назад +4

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

    • @edurekaIN
      @edurekaIN  3 года назад +2

      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:)

  • @wros_han
    @wros_han 4 года назад +2

    Thanks a lot edureka 💙

  • @weiwei_4105
    @weiwei_4105 4 года назад +2

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

  • @RahulRaj-ej7kb
    @RahulRaj-ej7kb 3 года назад +3

    Excellent content. Thank you edureka! Keep up the good work 👏 🙌 👍

    • @edurekaIN
      @edurekaIN  3 года назад

      Thank you so much for your review on our channel  Great to hear that Edureka is helping you learn better . We’ll strive to make even better learning contents/courses in the future ! Do subscribe the channel for more updates : )

  • @sukumarsa9039
    @sukumarsa9039 5 лет назад +13

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

  • @veenasingh1842
    @veenasingh1842 2 года назад +1

    How can show the 5 th row of the table plz share statement in sql

  • @swetapanigrahi8001
    @swetapanigrahi8001 4 года назад +1

    Too good

  • @KurupH
    @KurupH 5 лет назад +2

    Awesome training videos. Good job guys

  • @abiodunmabidemi8703
    @abiodunmabidemi8703 3 года назад

    Awesome Interview resources....Thank you

    • @edurekaIN
      @edurekaIN  3 года назад

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

  • @vaithinavi3830
    @vaithinavi3830 2 года назад

    Can you please provide PDF format of this Question and Answer

    • @edurekaIN
      @edurekaIN  2 года назад

      Hi please share your mail id to share the data sheet :) We'll Update you soon ! Do Subscribe the channel to keep updated

  • @isragaytanmistico
    @isragaytanmistico 4 года назад +1

    Thanks for share this!!! Blessings!

  • @asifkhan-qq9jb
    @asifkhan-qq9jb 4 года назад +2

    Thank you edureka team..

  • @arif_nitc
    @arif_nitc 3 года назад +2

    Awesome work Guys!! ❤️❤️Loved it!! 👍💐

  • @priya_ty
    @priya_ty 4 года назад +1

    Really helpful

  • @surbhijain1043
    @surbhijain1043 3 года назад +1

    Thanks a lott !

  • @nitinoberoi2131
    @nitinoberoi2131 4 года назад +1

    Very knowledgeable and correct video for sql interviews 👍👍