3.11 Super Key, Candidate Key and Primary Key

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  • เผยแพร่เมื่อ 8 ม.ค. 2025

ความคิดเห็น • 455

  • @KNOWLEDGEGATE_kg
    @KNOWLEDGEGATE_kg  ปีที่แล้ว +2

    For complete DBMS, check out this video: th-cam.com/video/YRnjGeQbsHQ/w-d-xo.html

  • @vijone111
    @vijone111 6 ปีที่แล้ว +149

    Sir really GOD n aap ko but expressive skill Di h....aap ka video dek k lgta h ki DBMS bhi bhut aasaan h jab aap jse SIR ho...GOD bless u SIR....

    • @milanjain.2564
      @milanjain.2564 6 ปีที่แล้ว

      Right

    • @pinkipatel7000
      @pinkipatel7000 6 ปีที่แล้ว +1

      Sir plzz upload a video series of how to convert ER diagram in to a relational model... As soon as possible

    • @pritiverma845
      @pritiverma845 5 ปีที่แล้ว +1

      Yes u r right not only DBMS operating system ... Also

  • @mohitsaran9193
    @mohitsaran9193 3 ปีที่แล้ว +29

    Sir I must say that there's no better explaination and simplification in the world than this lecture. Wish you alot of blessings sir

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  3 ปีที่แล้ว +7

      Thank you Mohit for your valuable feedback.. Stay blessed !! Keep learning and supporting !!

  • @suryaajha5953
    @suryaajha5953 6 ปีที่แล้ว +3

    This was the most correct video logically as the explanation of all these keys. I was always with these keys and thought these concepts are just to confuse readers. Thanks Sanchit Sir.
    As a short note
    Super key us the set of attributes from which you can uniquely identify a row or a tuple in the table.
    Key = Super Key
    Candidate key is the super key whose proper subset itself is not a super key.
    A Primary key is candidate key selected by DBA as a primary key to identify a row or a tuple in the DB

  • @sandeepsahu8743
    @sandeepsahu8743 6 ปีที่แล้ว +78

    The one and only candidate key by which we can understand all the concepts easily is SANCHIT JAIN SIR.....Thnxx a lot sir for providing such great videos🙏

  • @ashwanipanchal7467
    @ashwanipanchal7467 6 ปีที่แล้ว +17

    sir your whole playlist is amazing... its really help me out with all DBMS related doubts. keep uploading new content sir.. and at the end thanks a lot sir.

  • @aryanrathore1790
    @aryanrathore1790 4 ปีที่แล้ว +3

    @3:17 this is something which no one tells and that's why I love Knowledge Gate:):)

  • @shwetamehrolia2848
    @shwetamehrolia2848 6 ปีที่แล้ว +5

    the perfect teacher, as soon as i gather a doubt when u complete a sentence , in the next sentence only u clear that doubt. :) brilliant sir :)

  • @najmuzzamakhan835
    @najmuzzamakhan835 4 ปีที่แล้ว +30

    Actually Sir, you are a primary key(unique & best) from a lot of entity(Teachers) in entity set(Teaching Field). God selected you as a primary key. ❤❤❤❤

  • @AmitKumar-hv6hs
    @AmitKumar-hv6hs 5 ปีที่แล้ว +5

    sir please make videos on other subjects of cse too because you are fabulous no one can teach like you , aapse padhne ke saath saath hi yaad ho jaata dimag me baith jaata hai cheeje

  • @ahadkhan6630
    @ahadkhan6630 4 ปีที่แล้ว +15

    one of the best teacher on youtube with great teaching skills

  • @zarifali3255
    @zarifali3255 5 ปีที่แล้ว +14

    One of the best keys explanation in youtube.

  • @subhankardutta6054
    @subhankardutta6054 5 ปีที่แล้ว +15

    extra ordinary for student like us.. you are making dbms,os interesting to the student like me.. at 13:56 "B" won't be there..

  • @jackfrost8969
    @jackfrost8969 5 ปีที่แล้ว +21

    oh my god. This is beyond perfection.

  • @devinderkaur9811
    @devinderkaur9811 5 ปีที่แล้ว +1

    You are one of the best teacher. Your capacity of repeating one thing in each video again n again do not let us to forget anything n helps in better understanding. Thank you!

  • @KNOWLEDGEGATE_kg
    @KNOWLEDGEGATE_kg  2 ปีที่แล้ว +2

    🔥Complete DBMS by Sanchit Sir: tiny.cc/DBMS_Sanchitsir_kg
    🔥🔥All Computer Science Subjects by Sanchit Sir: tiny.cc/CSbundle_dbms_kg

  • @afzalmehndi9911
    @afzalmehndi9911 3 ปีที่แล้ว +1

    Sir ki jitni tareef ki jaye kam hai …..bahot asani se sab samjha dia…. ✌️👍 thank you so much

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  3 ปีที่แล้ว

      Most welcome dear Afzal, keep learning & supporting !! Do visit our website www.knowledgegate.in for more courses & contents !!

  • @ADARSHKUMAR-bo1rj
    @ADARSHKUMAR-bo1rj 6 ปีที่แล้ว +2

    You awesome sir jii .. the way of explaining every point is marvaoulus .. you r too good .. Maine kv DBMS and OS itne asaani s nhi samjha tha jitna Aapne smjhaya ... Thanks a lot and God bless you .

  • @akankshachuchra
    @akankshachuchra 4 ปีที่แล้ว

    I came to your channel for just one video related to OS but i'm here, watching all videos now. Kudos! Such easy and effective explanations. One of the best on youtube.

  • @pranavtiwari1883
    @pranavtiwari1883 5 ปีที่แล้ว

    Bahot shaandar tareeke se logic clear kiya h....Jai ho sir ji ki

  • @missmentor1662
    @missmentor1662 4 ปีที่แล้ว +1

    Eg 3 expalnation @ 14:10- proper subset of ACD will not contain B...

  • @Ankit-we8ym
    @Ankit-we8ym 6 ปีที่แล้ว +4

    bilkul sir aapne vaada pura kiya h .thanks a lot

  • @aviksarkar8997
    @aviksarkar8997 6 ปีที่แล้ว +4

    DBMS pr confidence apke waja se he sir, thank you sir, god bless you sir

  • @aqsamumtaz462
    @aqsamumtaz462 6 ปีที่แล้ว +1

    sir u make every piont so clear and easy .....that anyone can easily memorise lecture ...

  • @narendrachoudhary6808
    @narendrachoudhary6808 4 ปีที่แล้ว +1

    Sir you are the bestest!! I wish ki hm aapka video placement k time me dekhe hote.!

  • @brilliantboy8147
    @brilliantboy8147 6 ปีที่แล้ว +2

    mai aapka sach mai fan ho gaya...
    kya paraha....jabardast

  • @sadiq4933
    @sadiq4933 4 ปีที่แล้ว +1

    I m.speechless after seeing this lesson..Just Awesome..🌸

  • @anilpariyar19
    @anilpariyar19 6 ปีที่แล้ว +1

    Well defined in the easiest way and very understandable. Thank you so much, sir. Appreciated your work. Love from Nepal.

  • @AnubhavMadhav
    @AnubhavMadhav 4 ปีที่แล้ว

    Bhai kya mast examples diye hain.....fan ho gaya!!

  • @arafat6578
    @arafat6578 6 ปีที่แล้ว +4

    Aacha video hai sir.
    Video Bahut helpful hai...
    Thank you so much sir...

  • @sunilkumargouda6353
    @sunilkumargouda6353 6 ปีที่แล้ว +1

    Really after watching this video i felt if u could be my engineering teacher. Excellent explanation skills.

  • @redrose5950
    @redrose5950 3 ปีที่แล้ว +2

    Excellent superb explanation by Sir Sancit Jain. I salute you Sir. MAY ALLAH bless you.

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  3 ปีที่แล้ว

      Thank you so much.. Keep learning and supporting !!

  • @harpreetv761
    @harpreetv761 6 ปีที่แล้ว +7

    I ll always comment sir.. very nyce.. i understand the normalization concept for first time .. just because of you sir.. thanks sir

  • @akshatjain9762
    @akshatjain9762 4 ปีที่แล้ว +3

    Watching this again after 2 years 🤩... Remembering those college xams and ur videos

  • @kanak1448
    @kanak1448 2 ปีที่แล้ว +3

    I wonder if anyone could teach this concept better omg he is such a great teacher ❤️

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  2 ปีที่แล้ว +1

      Thank you so much for your valuable feedback ❤ Keep learning & supporting! You can also check out our course for all Computer Science subjects, sharing the link below:
      www.knowledgegate.in/learn/Zero-to-Hero-in-Computer-Science

  • @nandini-ec5xl
    @nandini-ec5xl 6 ปีที่แล้ว

    thank u sir ,its only now I understand the difference between super key and candidate key...
    aap subject ko bahoothi asaani thareeki se samjaraahi ho...

  • @muhammadkhurram4221
    @muhammadkhurram4221 5 ปีที่แล้ว +2

    best teacher I have ever listen .
    Love from pakistan sir.

  • @bhardwajsourabh4
    @bhardwajsourabh4 5 ปีที่แล้ว +14

    I don't have an exam neither am I a CSE student. But because of your teaching style, I am having an attraction towards DBMS. Thank You!!

    • @Paaaaaaaaaaal
      @Paaaaaaaaaaal 4 ปีที่แล้ว +3

      Wtf

    • @RandomGuy-hv7tb
      @RandomGuy-hv7tb 2 ปีที่แล้ว +1

      @@Paaaaaaaaaaal my reaction is also same who the hell likes this theory, coding is addictive but this theory isn't.

    • @Jonathan-ng4vw
      @Jonathan-ng4vw 2 ปีที่แล้ว

      @@RandomGuy-hv7tb right bro🤣

  • @sangamumbarkar9544
    @sangamumbarkar9544 4 ปีที่แล้ว +1

    Our education system needs more people like you...♥️♥️the way u give the examples is just awsm 🖤..nd one of the most important thing is that u taught us free of cost 🤙🤙🤙#Thanks a lot sir

  • @uvinodh90
    @uvinodh90 4 ปีที่แล้ว +2

    I am glad that I found your channel. Thanks for providing free teachings.

  • @sunandagaikwad2121
    @sunandagaikwad2121 5 ปีที่แล้ว

    One of the best...video... Teaching quality is best.... 👍👍👌👌💐💐💐

  • @yawarahmad9899
    @yawarahmad9899 4 ปีที่แล้ว

    Primary key selection through transaction example. Shandaar sir. !

  • @souravroy909
    @souravroy909 ปีที่แล้ว +1

    14:21 proper subset of ACD is not B it should be D. a small mistake

  • @khwaishbatish5355
    @khwaishbatish5355 5 ปีที่แล้ว

    Thanku sir
    Kisi teacher ne aise nahi samjhaya ye concept.

  • @memonakarim6687
    @memonakarim6687 5 ปีที่แล้ว +1

    bht bht acha lacture h Allah pak apko khush rkhn ameen

  • @asitkumarojha1305
    @asitkumarojha1305 4 ปีที่แล้ว

    Best teacher.....sir u r Just amazing... teaching process....just wow...🙏🏻🙏🏻🙏🏻🙏🏻

  • @pranjalvyas6723
    @pranjalvyas6723 5 ปีที่แล้ว +2

    Thank you so much for existing and sharing the knowledge with us. You are a true savior. 🙏🙏🙌🙌

  • @furqanhaider1154
    @furqanhaider1154 6 ปีที่แล้ว +6

    wah Sir ,respect form Pakistan .... kamal kar dia ... waday k pakky hain ap :-)

  • @astikpatil5773
    @astikpatil5773 ปีที่แล้ว +1

    Your teaching is great sir. You go to the root of the concept 😇. thank you so much for making this video. It help me a lot.

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  ปีที่แล้ว

      You're most welcome dear @Astik😍keep learning! Do like, subscribe & share our videos, you can also visit our website www.knowledgegate.in for more amazing videos & contents👍

  • @chitrasingh8724
    @chitrasingh8724 4 ปีที่แล้ว +1

    Mind blowing lecture

  • @vaibhav9727
    @vaibhav9727 2 ปีที่แล้ว +1

    Thank you very much ...Really extraordinary ...Very Greatfull to you sir.

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  2 ปีที่แล้ว

      You are most welcome dear Vaibhav, keep learning & supporting !! Do visit our website www.knowledgegate.in for more courses & contents !!

  • @nihalsingh5558
    @nihalsingh5558 6 ปีที่แล้ว +1

    Awesome video sir, unforgettable explanation, thank you so much.

  • @wakeelahmad7747
    @wakeelahmad7747 6 ปีที่แล้ว +1

    excelent method to understand this concept thanks for this sir

  • @kartickchandramanna267
    @kartickchandramanna267 2 ปีที่แล้ว +1

    Excellent lecture on database keys.
    My concept is clear now.
    Thank you sir 🙏❤️

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  2 ปีที่แล้ว

      Most welcome dear 😍keep learning & supporting ! Do visit our website www.knowledgegate.in for more amazing courses & contents 👍😊

  • @gokarnabhatt7377
    @gokarnabhatt7377 2 ปีที่แล้ว +1

    Your teaching skill is great sir g❤️love from Nepal.

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  2 ปีที่แล้ว

      Thanks a lot dear, Stay blessed ❤️❤️ Keep learning & supporting !!

  • @user-df9gv4ox8k
    @user-df9gv4ox8k 4 ปีที่แล้ว +1

    Sir...DBMS me pass hone ka reason sirf aapki ye videos hai...Thank you sir

  • @khwahish4483
    @khwahish4483 6 ปีที่แล้ว +3

    Sir really appreciated.. too good sir.. thanks alot

  • @doonboy1100
    @doonboy1100 5 ปีที่แล้ว

    Sir u r awesome bahuton ko bolte suna h ki me wada krta hu last tk tmhe sb smg aa jaaega pr koi smga ni ska pr apne in 21 minute me hi pura concept hi clear krwa dia thanku sir❤❤

  • @keshavshinde8886
    @keshavshinde8886 5 ปีที่แล้ว

    Sir Really after watching this video i felt if u could be my engineering teacher. Excellent explanation skills.

  • @parasmehta7793
    @parasmehta7793 5 ปีที่แล้ว +1

    Extra ordinary Example...🔥🔥

  • @sanchitjainfanclub3620
    @sanchitjainfanclub3620 6 ปีที่แล้ว +2

    Way of explaining is wow!!!

  • @PushpendraSingh-qv8ew
    @PushpendraSingh-qv8ew 6 ปีที่แล้ว

    Aapka technique bahut behtar h

  • @_Pearl-vy7qn
    @_Pearl-vy7qn 4 ปีที่แล้ว

    Great explaination......welll knowledgable sir

  • @tahirmehmood8837
    @tahirmehmood8837 6 ปีที่แล้ว +1

    Thank u very much sir your method is so effective ..

  • @NIKHIL-nv8wu
    @NIKHIL-nv8wu 5 ปีที่แล้ว

    Thank you sir ek dam sari keys ka confusion dur ho gya.
    Keep it up sir

  • @abhishekaggarwal3831
    @abhishekaggarwal3831 6 ปีที่แล้ว

    sir aajtak yeh samaj nahi aata tha .. aab aa gaya .. thanks sir

  • @adityabaroliya8378
    @adityabaroliya8378 4 ปีที่แล้ว

    very nyc sir kabhi socha nahi tha yeah topic bhi seekh pauga but u made it possible if someone wants to learn normalization
    watch knowledge gate from 3.1 to 4.12 must watch

  • @shashankbhosagi
    @shashankbhosagi 2 ปีที่แล้ว +1

    🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥 Bahut acchese samaja aya sir
    Thank you sir !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  2 ปีที่แล้ว +1

      Most welcome dear.. keep learning & supporting ! Do visit our website www.knowledgegate.in for more amazing contents & courses !

  • @animeshkumar1641
    @animeshkumar1641 4 ปีที่แล้ว +1

    Thank u for the important concept sir

  • @abhishekjain1438
    @abhishekjain1438 3 ปีที่แล้ว +1

    what an explanation SIR , GREAT

  • @bhupendrasolanki6572
    @bhupendrasolanki6572 6 ปีที่แล้ว +8

    Sir please upload a videos on SQL(Structure Query Language) and thank you sir for upload videos on DBMS

  • @-AnkitBsccomputerapplication
    @-AnkitBsccomputerapplication 2 ปีที่แล้ว +1

    best way to understand keys........
    thanks sir

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  2 ปีที่แล้ว

      Most welcome dear 😍 Keep learning & supporting ! Do visit our website www.knowlegdegate.in for more amazing courses & contents 👍😊

  • @DeepakMauryaLucknow
    @DeepakMauryaLucknow 6 ปีที่แล้ว

    Bhai log channel subscribe krr lo...kitna acha padhaate sir

  • @PankajKumarShweta
    @PankajKumarShweta 6 ปีที่แล้ว

    Very good sir aap logically Bahut achchha samjhate hai

  • @ShoaibKhan0701
    @ShoaibKhan0701 4 ปีที่แล้ว +1

    Nice Sir thanks for making videos on this topic

  • @chetanraj1950
    @chetanraj1950 6 ปีที่แล้ว +1

    Thanku so much sir...You are really a great tecaher.

  • @jyotiruhela9877
    @jyotiruhela9877 5 ปีที่แล้ว

    Amazing teaching skill...keep the gud work on nd keep uploading new contents...Thnx alot sir

  • @allwell8570
    @allwell8570 3 ปีที่แล้ว +1

    Sir, your explanation skills are excellent

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  3 ปีที่แล้ว +1

      Thanks a lot dear Ramesh, keep learning & supporting !! Do visit our website www.knowledgegate.in for more courses & contents !!

  • @SameerKumar-rm3by
    @SameerKumar-rm3by 4 ปีที่แล้ว

    Sir you have got amazing teaching skills..keep supporting us.

  • @jiveshshrivastav9722
    @jiveshshrivastav9722 4 ปีที่แล้ว

    Beautifully Explained...............

  • @amey1125
    @amey1125 2 ปีที่แล้ว +1

    I gotta tell you it is perfect. Everything. Down to the last, minute details

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  2 ปีที่แล้ว

      Thank you so much dear❤ Keep learning & supporting! Do visit our website www.knowledgegate.in for more amazing contents & complete courses 👍😊

  • @shubhammehra1512
    @shubhammehra1512 3 ปีที่แล้ว +2

    Damnnnn...Sir Thanks for clearing our doubts..❤️❤️

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  3 ปีที่แล้ว +1

      You are welcome dear Shubham, keep learning & supporting !! Do visit our website www.knowledgegate.in for more courses & contents !!

  • @ocean_eyes
    @ocean_eyes 2 ปีที่แล้ว +2

    You're the best sir ji! 🙌

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  2 ปีที่แล้ว +1

      Thank you for the kind words dear❤ Keep supporting & stay connected for more amazing contents👍😊
      You can also check out our course for all Computer Science subjects, sharing the link below:
      www.knowledgegate.in/learn/Zero-to-Hero-in-Computer-Science

  • @rimpisarma7430
    @rimpisarma7430 6 ปีที่แล้ว

    Sir you explain it soo simple way. Thank you sooo much sir

  • @rajatkapoor7087
    @rajatkapoor7087 2 ปีที่แล้ว +1

    Best video I have found on Keys 🔥🔥

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  2 ปีที่แล้ว +1

      Thank you dear 😍Keep learning & supporting ! Do visit our website www.knowledgegate.in for more amazing courses & contents 👍😊

  • @mohsin7343
    @mohsin7343 2 ปีที่แล้ว +1

    I feel relaxed when i see my favorite teachers video on the topic I'm searching for😌😌

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  2 ปีที่แล้ว

      Thank you so much dear for your valuable feedback, stay blessed❤ keep supporting & stay connected for more amazing contents👍😊
      You can also check out our course for all Computer Science subjects, sharing the link below:
      www.knowledgegate.in/learn/Zero-to-Hero-in-Computer-Science

  • @ananyabhatt2715
    @ananyabhatt2715 6 ปีที่แล้ว

    Awesome sir..U really make concepts easier and interesting.

  • @soniasmelodiousland
    @soniasmelodiousland 5 ปีที่แล้ว

    Yes sir bore nai hota with ur lessons. enjoy studying best teacher

  • @sauravkashyap7734
    @sauravkashyap7734 5 ปีที่แล้ว +2

    sir aap best ho :)

  • @adityahirwani1672
    @adityahirwani1672 4 ปีที่แล้ว

    Amazing explanation , sir, you are clearing our concepts not just exams.

  • @monikasharma1184
    @monikasharma1184 5 ปีที่แล้ว

    god bless you sir..may you get everything in your life, whatever you want..

  • @sanashaikh-ib1yc
    @sanashaikh-ib1yc 4 ปีที่แล้ว

    You are a brilliant teacher sir

  • @KDTechverse
    @KDTechverse 5 ปีที่แล้ว +4

    Someone said..
    Legends are not born they're made.
    And Sanchit sir is a proof of that.

  • @siddharths067
    @siddharths067 4 ปีที่แล้ว

    You can use augmentation in D -> A and transform it into DB -> AB. Then transitivity can be used with AB -> C to give DB -> C which can then be unioned with DB -> ABC to give DB -> ABCD which is a super key.

  • @arunimakarmakar1037
    @arunimakarmakar1037 2 ปีที่แล้ว +1

    Best explanation ever❤️❤️

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  2 ปีที่แล้ว

      Thank you so much❤ keep supporting & stay connected for more amazing contents👍😊
      You can also check out our course for all Computer Science subjects, sharing the link below:
      www.knowledgegate.in/learn/Zero-to-Hero-in-Computer-Science

  • @roshanchoudhary6367
    @roshanchoudhary6367 5 ปีที่แล้ว

    awesome way teaching sir

  • @manilavaswani154
    @manilavaswani154 5 ปีที่แล้ว

    Amazing..sir..ur teaching is jst fab..thnku soo much.

  • @HimanshuSingh-zs3mk
    @HimanshuSingh-zs3mk 6 ปีที่แล้ว

    Really Great Explanation. Thank You So Much Sir.

  • @harshgandhi4149
    @harshgandhi4149 3 ปีที่แล้ว +2

    best teaching sir

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  3 ปีที่แล้ว +1

      Thanks a lot dear Harsh, keep learning & supporting !! Do visit our website www.knowledgegate.in for more courses & contents !!

  • @PiyushKumar-bd7uc
    @PiyushKumar-bd7uc 3 ปีที่แล้ว +1

    sir words are not enough to describe your excellency.

    • @KNOWLEDGEGATE_kg
      @KNOWLEDGEGATE_kg  3 ปีที่แล้ว

      Thanks a lot dear Piyush, Keep learning & supporting !! Do visit our website www.knowledgegate.in for more courses & contents !!