Lec-123: Top 15 SQL Interview Questions Answers | Most Important Questions for Job Interview

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  • Опубликовано: 3 фев 2025

Комментарии • 230

  • @Cringy69
    @Cringy69 8 месяцев назад +109

    Itna saar gyan pela....aur last me sirf 1 second me thank you bolke video end.
    you turely know the value of time for people....salute to you.

  • @satyakurakula4048
    @satyakurakula4048 2 года назад +309

    1. DBMS & RDBMS
    2. Primary Key
    3. Foreign Key
    4. Constraints & their types.
    5. Diff types of SQL commands
    6. Diff b/w Delete, Drop & Truncate
    7. Diff b/w Group by & Order by
    8. Types of Joins
    9. Nested subquery vs Correlated subquery
    10. Pattern Matching
    11. Find 2nd or Nth highest salary
    12. SQL vs MySQL(noSQL)
    13. Varchar vs Varchar2
    14. Triggers
    15. ACID properties

  • @gurikashyap5921
    @gurikashyap5921 8 месяцев назад +7

    I have watched this man during my Btech (2017-2021) cleared all my exams now preparing for an interview of SQL

  • @ispeakfactslol
    @ispeakfactslol Год назад +39

    Recently gave a written exam in sql and the questions were based on the topics you mentioned above. Thankyou for your guidance.

  • @souravboss01
    @souravboss01 Год назад +7

    Very intresting , in 15 min you cover all most all important topics of SQL

  • @AmitGrover321
    @AmitGrover321 11 месяцев назад +8

    Really nice refresher before my Interview. Thank you so much !

  • @sudeepigoel4824
    @sudeepigoel4824 6 месяцев назад +5

    Best Video on SQL I watched. Appreciated your effort. I watched the video on 2x speed and you gave the clarifications very well. Cannot stop my self to comment.
    I want to add one one thing
    Delete and truncate. Delete just delete the rows and new value inserted will be from the next incremented value.
    Truncate reset the index as well. new value inserted will be from 1

  • @bsivakeshava15
    @bsivakeshava15 2 года назад +9

    Excellent class...I am appreciate you sir because u r not take too much to explanation ..it is very good

  • @mr.unique4974
    @mr.unique4974 2 года назад +54

    Sir , you are awesome . I've never seen such an easy explanation of SQL concepts. Thanks a bunch! :)

  • @schoudhury1911
    @schoudhury1911 2 года назад +2

    A best teacher in you tube world to teach in very easy way .

  • @mutantbeatz87000
    @mutantbeatz87000 Год назад +19

    Forgotten to comment, coming back, it was fantastic session, well summerised, very thankful to you sir❤

  • @Pak_Drama-Updates
    @Pak_Drama-Updates 8 месяцев назад +2

    Ap kamal ho ❤ hamny to BSCS kia hi apky tutorials dekh dekh k h

  • @stith_pragya
    @stith_pragya Год назад +2

    Thank You So Much for this wonderful video....🙏🙏🙏

  • @vigyan.bhairav
    @vigyan.bhairav 2 года назад +137

    Sir please start a series on important questions for all subjects..

    • @fmpodcast1916
      @fmpodcast1916 2 года назад +2

      Very needed

    • @manishasagar4767
      @manishasagar4767 2 года назад +2

      good

    • @rambabudarla6643
      @rambabudarla6643 2 года назад

      ​@@manishasagar4767 hiiii

    • @dikshakaundal9381
      @dikshakaundal9381 Год назад

      ​@@fmpodcast1916🎉🎉🎉❤❤😂🎉😂🎉😂😂😂🎉🎉😂🎉😢❤😢😢😢😢😢😢😢❤😢😢❤🎉😂😂❤😂😂😢❤😢😢🎉😢😢😢😢

    • @DOYOUKNOW-pc8ui
      @DOYOUKNOW-pc8ui 6 месяцев назад

      ​@@manishasagar4767kay apko job mili

  • @RazaKhan-me3ds
    @RazaKhan-me3ds 8 месяцев назад +1

    Outstanding explanation in a very understandable language

  • @SandeepKaur-xl1gl
    @SandeepKaur-xl1gl Год назад +2

    In 11th question you can order in descending order ACC to salary can use offset
    and limit to get the 2nd highest salary

  • @DEwithDhairy
    @DEwithDhairy Год назад

    DSA For the Data related Role :
    ruclips.net/p/PLqGLh1jt697wQTamFvXx_Odlm-Wg3zbxq&si=2etKcz_Z3Sn937t7

  • @prasanjitdas2295
    @prasanjitdas2295 Год назад +2

    Awesome lecture

  • @taetaeworld3010
    @taetaeworld3010 3 месяца назад +2

    Please make vdos for these subjects
    1. Computer Graphics
    2. Cloud Computing
    3. Blockchain fundamentals

  • @ashwinisanap3539
    @ashwinisanap3539 Год назад +31

    aap beech me khade ho jate ho, fir kuch dikhta nahi hai, itna acchha aap explain karte ho fir ek bar read karna to jaruri hai na

  • @GodzillaSN07
    @GodzillaSN07 Год назад

    sir ,this is so good video that helps and guide for learning more😃😃😃😃

  • @sanketp9543
    @sanketp9543 Год назад +2

    This is really great Thank you ❤

  • @sahilrawat7966
    @sahilrawat7966 Год назад +2

    thanks for this video like all of them were my doubts and chock points and thanks for clearing the concept this video cant get more relevant than this tysm!!

  • @muntahariaz4332
    @muntahariaz4332 2 года назад +1

    My most favorite channel 🤩🤩

  • @VishalYadav-gk1kg
    @VishalYadav-gk1kg Год назад +1

    Nice Explanation , thank you sir !

  • @aryanshinde1822
    @aryanshinde1822 Год назад

    Really very nice explaination

  • @dipikazad3522
    @dipikazad3522 10 месяцев назад

    very helpful

  • @lakshminarayana3168
    @lakshminarayana3168 Год назад +1

    Excellent boss 👏👏👏👏

  • @jenishkothari262
    @jenishkothari262 Год назад

    Leetcode Top 50 Interview Problems - SQL Playlist
    ruclips.net/p/PLsgq4reKtSzyEoZh2_Leks0CxfQb-zfPw

  • @KhalidAfridi1
    @KhalidAfridi1 Год назад

    Thank you so much dear. Awesome

  • @prathapganesh7021
    @prathapganesh7021 Год назад

    Awesome thank you so much sir

  • @SonamSingh-fe6ib
    @SonamSingh-fe6ib 2 года назад +2

    Your teaching method is excellent 🥰😍🥰

  • @ShahrinIslam-l1f
    @ShahrinIslam-l1f Год назад

    sir you are best❤🇧🇩

  • @soumyabohre1484
    @soumyabohre1484 Год назад

    Very well explained Sir 🙏

  • @arjunghosh8654
    @arjunghosh8654 2 года назад +1

    Very helpful information

  • @ankitkalwar5570
    @ankitkalwar5570 2 года назад +1

    Wonderful explanation, thank you so much

  • @CodePressAcademy
    @CodePressAcademy Год назад

    Thanks a lot very good explanation

  • @romagahatraj9282
    @romagahatraj9282 2 года назад +5

    Thank you Sir for excellent content 👏

  • @Bat_man07
    @Bat_man07 2 месяца назад

    These 15 minutes video can save us in interview

  • @harneet_284
    @harneet_284 2 года назад +2

    Very easily explained. Thank you!
    Sir please SQL CODING questions bhi krva do for interview 🙏

    • @omkarrkd10
      @omkarrkd10 2 года назад

      yess Sirr much need of query questions

  • @krushnnabaviskar4131
    @krushnnabaviskar4131 9 месяцев назад

    nicely exapined

  • @DeepakNandaygol
    @DeepakNandaygol 5 месяцев назад

    Thank You Sir

  • @Sanjaysview
    @Sanjaysview Год назад

    Thanks its helps a lot!!!

  • @sandhu01
    @sandhu01 3 месяца назад +1

    RDBMS means where data is stored in tabular form and various tables have relationship among them. E.x. Cassandra stores data as tables but is NOT an RDBMS.

  • @swapnilbhowate6000
    @swapnilbhowate6000 Год назад

    Thanks sir....... 😊

  • @pratibhasalunke1512
    @pratibhasalunke1512 2 года назад +1

    You are just awesome sir.. 🙌 tysm.. 💫

  • @YogirajsinhZala-s5y
    @YogirajsinhZala-s5y Год назад

    Thank you :)

  • @Reva_Prime
    @Reva_Prime 11 месяцев назад

    Thanks sir

  • @ailoveu100
    @ailoveu100 Год назад

    Thanks bro!❤

  • @ReetKaur-en2fj
    @ReetKaur-en2fj Год назад

    Very well explained. Thank you

  • @preetinamagond9649
    @preetinamagond9649 Год назад

    Thank you so much sir this video really helped for me in my interview

  • @ROSUJACOB
    @ROSUJACOB Год назад +3

    Thanks bro!! today i cleared my interview!!please also add wildcard entry and joins.

  • @sushmitha8247
    @sushmitha8247 2 года назад +2

    Tqsmmmmmm🤩💕

  • @swathisharvirala3175
    @swathisharvirala3175 2 года назад

    Great Explanation

  • @sulagnaduttachoudhuri3838
    @sulagnaduttachoudhuri3838 2 года назад +2

    thank you so much sir, please make similar videos on cn and os as well

  • @viralvirtuallearning
    @viralvirtuallearning 2 года назад

    Very Easy explanation

  • @n.shivanirao
    @n.shivanirao 2 месяца назад

    Nice

  • @santoshkopnar4847
    @santoshkopnar4847 Год назад

    Very nice 👍

  • @vishnuvitalkatabathini9095
    @vishnuvitalkatabathini9095 2 года назад +6

    Hello sir your teaching is excellent but, can you explain in English so that other language Students also get better understanding on concept,so please sir I am requesting you explain also in English .

  • @sukhvinderoberoi7336
    @sukhvinderoberoi7336 2 года назад +1

    Informative and Concise. explain how to answer if I used a trigger in my project in my interview? I know definition is not enough to crack the interview, they want to know how I used i my project.

  • @AshwinSurendran-ss8wh
    @AshwinSurendran-ss8wh 11 месяцев назад

    hi sir pls include diff b/w rank and dense rank also.it is a very imp question asked in interviews

  • @harshals3343
    @harshals3343 Год назад

    Awesome sir

  • @vaishali-gosavi
    @vaishali-gosavi 2 года назад

    kya aap automation sikha sakate hai...??? aur manual ,API,unix, HPALM,JIRA,IB project,test scenario,test case writing, in sub topic ke bhi imp Q.with ans ke liye seperate topicwise vedio bnayenge..? and i request u plz HPALM an JIRA ,test case writing and test scenario kaise bnaye ye achhe se sikha dijiye.

  • @MonikaRani-hi5fq
    @MonikaRani-hi5fq Год назад

    Good afternoon sir. Sir kya ap problem solving thought 'c' ka practical ke tyari bhi kar do
    Please

  • @bioenergy7943
    @bioenergy7943 Год назад

    brilliant! pls keep it up !

  • @MahRahman1
    @MahRahman1 5 месяцев назад

    thank you

  • @gkthestoner
    @gkthestoner 7 месяцев назад

    super awesome

  • @niteshkhanna690
    @niteshkhanna690 7 месяцев назад

    thankyu bro

  • @littlelittlethings84
    @littlelittlethings84 Год назад

    Nice video

  • @ihgamingfun6295
    @ihgamingfun6295 2 года назад

    Gud explanation 👍🏼👍🏼👈

  • @vpowerup
    @vpowerup Год назад

    sir u left indexing, diff between function and procedures, what is a procedure

  • @ManishSharma-lo1ql
    @ManishSharma-lo1ql Год назад +15

    Sir....! If I'm not wrong varchar and varchar2 both sizes are not same. varchar datatype is used to store upto 2000 character where as varchar2 datatype is used to store upto 4000 characters in their particular memory allocation.

  • @somveerkhaunkar6191
    @somveerkhaunkar6191 2 года назад

    Just awesome sir🙏👍

  • @pepetikesavasiddhardha7852
    @pepetikesavasiddhardha7852 2 года назад

    very helpfl thanks a lot

  • @prateekchougale9532
    @prateekchougale9532 Год назад

    Sir.. your videos are so useful 🙏

  • @SunainaAgarwal1308
    @SunainaAgarwal1308 2 года назад +3

    Please suggest some books for MCQ for Rajasthan Programmer. Syllabus --- Networking, Data structure

  • @pawankumarpandit1822
    @pawankumarpandit1822 Год назад

    sir abhi ye wala dekh ke viva diya achha gaya sir

  • @VanshShrivastava-x2i
    @VanshShrivastava-x2i Год назад

    Tysm

  • @beingrishi6450
    @beingrishi6450 11 месяцев назад

    4:52 Auto Increment is also CONSTRAINTS

  • @Hrit
    @Hrit 2 года назад

    Great Video!

  • @dattatrayarathi1014
    @dattatrayarathi1014 2 года назад

    Thank you for sharing the imp video

  • @rje401
    @rje401 2 года назад +1

    Your second highest sal query will not execute becuse u r applying aggregate function like max(sal) with name ,while name is not agg function you have to write 1 more query for that at outer side

    • @salilshukla9
      @salilshukla9 11 месяцев назад

      agreed, he providing wrong information he must check things first if they are executing or not.

  • @priyapurwar6471
    @priyapurwar6471 Год назад +3

    I am learning from your videos do u have any files or ppt that contain SQL interview questions can u share that ,it would be helpful for me

  • @krish-sd7ys
    @krish-sd7ys Год назад

    Good session

  • @kaushall3706
    @kaushall3706 Год назад

    Sooo helpful sir

  • @SatyaVALTRYEK
    @SatyaVALTRYEK Год назад

    Best ever

  • @deepushankaryadav6698
    @deepushankaryadav6698 Год назад +1

    11th question answer is wrong like in that command we cannot print name and max(salary ) at time.
    in aggregated query without group by it does not work

  • @manjeetgiri3641
    @manjeetgiri3641 Месяц назад +1

    12:45 its not a good approach you should use offset and limit order bt to solve. This

  • @shreedhar7963
    @shreedhar7963 2 года назад

    Thank u sir!!

  • @milindborkar6387
    @milindborkar6387 2 года назад

    Sir please make practice video on SQL so can gain practical knowledge about queries that are going to ask in interviews

  • @healing-_-heaven_1
    @healing-_-heaven_1 2 года назад +1

    Sir, please make video on imp questions of operating system

  • @anitamartolia2320
    @anitamartolia2320 Год назад

    Dear sir can u write a query daily base interest of account add a particular table when amount come in account daily not same

  • @danishansari9574
    @danishansari9574 Год назад

    Love from LPU👌

  • @dhirajgupta3401
    @dhirajgupta3401 Год назад

    SQL interview questions and answers
    ruclips.net/p/PLqGLh1jt697xtgiGwGUTFpOctT82ANdJZ&si=gisoiCt3_Q0Ibpgs

  • @ajkacademy
    @ajkacademy Год назад

    informative video

  • @vikramnimma
    @vikramnimma 2 года назад

    In interviews they ask scenario type questions... like find no of duplicates, delete duplicates, 7th highest salary...

  • @nitinmilmile5569
    @nitinmilmile5569 2 года назад +1

    Sir pls make one video on Linux interview que. and PLSQL

  • @aniruddhkarekar2818
    @aniruddhkarekar2818 Год назад +1

    Just add one more point of normalization here. Thanks you're the best guide to a cs student !

  • @obaiahlakkineni6065
    @obaiahlakkineni6065 2 года назад +5

    Sir, Will you be able to provide solution for below question?
    We have two records and five columns. Actually there is Duplicate record in that two records but one column is having different name for two records. So, my question is how to write a SQL query to remove that duplicate record in the Dashboard?

    • @haritapopat4174
      @haritapopat4174 Год назад

      Then use that column which is having different name

  • @CodingWithSonia
    @CodingWithSonia 2 года назад

    very nice..