4.10 Decomposition into 3NF Third Normal Form

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KnowledgeGATE by Sanchit Sir

KnowledgeGATE by Sanchit Sir

Күн бұрын

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@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg Жыл бұрын
For complete DBMS, check out this video: kzbin.info/www/bejne/j4PRm3qbhsemfrM
@shiulisinha8901
@shiulisinha8901 6 жыл бұрын
Sir you are terrific... You are best teacher in youtube i have come across...sir you are doing great job...your style of explaining and making things simple and easier is commendable. Usually i dont put comments in youtube but i couldnt resist in your case. Sir where are you from and where do you teach?
@aishmash5325
@aishmash5325 6 жыл бұрын
You are the Best Sir!!!! Just amazing ! This is really really very noble task you are doing.thankyou so much.
@satyamkumar-lf8bw
@satyamkumar-lf8bw 6 жыл бұрын
One of best teacher I have seen on You tube.fabulous sir.❤
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg Жыл бұрын
🔥Complete DBMS by Sanchit Sir: tiny.cc/DBMS_Sanchitsir_kg 🔥🔥All Computer Science Subjects by Sanchit Sir: tiny.cc/CSbundle_dbms_kg
@rewakher8316
@rewakher8316 3 жыл бұрын
Thank your sir, for your wonderful explanation 😀😀 You explain the topic in depth and make the topic easily understandable
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 3 жыл бұрын
You are most welcome dear student, keep learning & supporting !! Do visit our website www.knowledgegate.in for more courses & contents !!
@shrutikaoswal8048
@shrutikaoswal8048 5 жыл бұрын
Instead of checking further can we directly say , Every function dependency is divided into separate table and if key is not part of this then create 1 more table for key..?? Is it a correct?
@SadiqKhan-qn1sf
@SadiqKhan-qn1sf 4 жыл бұрын
Great sir.. Mai nai boht videos dakey hai but jis trha ap dill sy parhatay ho. Is trha koyi nhi parhata 💜 Thanks my all concepts have been cleared
@priyangsagar3140
@priyangsagar3140 9 ай бұрын
Tomorrow is my exam and i'am watching this playlist on 2X and now i can feel the confidence.
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 9 ай бұрын
All the best👍
@akshitbidang9654
@akshitbidang9654 9 ай бұрын
Us bhai us
@animeshmishra4282
@animeshmishra4282 3 жыл бұрын
I will watch the whole advt . Thats the only tribute i can pay to him.
@vinitagupta3648
@vinitagupta3648 5 жыл бұрын
If there is more than one candidate key than how to normalize 2 and 3 normal form. Plz Plz upload one lecture also.
@OmitA25
@OmitA25 6 жыл бұрын
very nice explanation..............Sir plz start uploading videos on COA..
@saiyamjain1285
@saiyamjain1285 Жыл бұрын
Hello, I have a question here. How do we deal with a case where there is a circular dependency that means in R(ABCD) we have given that A->B, B->C, C->D, D->A....how do we find the candidate key in that relation and then convert it further into normal forms?
@hardikajmani5088
@hardikajmani5088 6 жыл бұрын
Great videos! Just reduce the number of ads, or organize them in a little better way as it breaks the concentration while watching.
@imprakrut
@imprakrut 5 жыл бұрын
Do you also have an exam tomorrow?
@MN-df2br
@MN-df2br 5 жыл бұрын
Washing Powder NIRMAAA!!!
@vishalkrishna6344
@vishalkrishna6344 5 жыл бұрын
Patel Miraj hello
@joshking9537
@joshking9537 5 жыл бұрын
yep
@souravraychaudhuri6600
@souravraychaudhuri6600 5 жыл бұрын
I have an exam in an hour xD
@ankit7941
@ankit7941 4 жыл бұрын
YYY
@ajitsafeway
@ajitsafeway 5 жыл бұрын
Neta ke ghar me ek aur neta 😂😂
@adityakrishna11
@adityakrishna11 4 жыл бұрын
nepotism
@SHASHANKRUSTAGII
@SHASHANKRUSTAGII 4 жыл бұрын
🤣laude lag gye neta ke!
@raviashwin1157
@raviashwin1157 3 жыл бұрын
@@adityakrishna11 😂
@pasitopasito1967
@pasitopasito1967 3 жыл бұрын
😀😁😁😀😀😁😀
@niloydas5018
@niloydas5018 7 ай бұрын
Most recommended video for normalization. All the confusion has just vanished.
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 7 ай бұрын
Glad to hear that Niloy, thank you for watching, keep learning & stay with us for more content.
@nc8002
@nc8002 6 ай бұрын
excellent video with really good examples and explanation. love it sir
@pratikbal-x9e
@pratikbal-x9e Жыл бұрын
sir in example no 4, we found that AB ->C proves that R is not in 3NF, so we decomposed AB ->C i.e. R1(ABCI) but sir here A is a prime attribute and it finds I which is a non prime attribute so there should be no problem but sir you have again decomposed R1 to R11 and R12. Why so sir?
@PetBuddies
@PetBuddies 2 жыл бұрын
best... Hats off... Love from Bangladesh
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 2 жыл бұрын
Thanks a lot dear ❤️ Keep learning & supporting ! Stay connected for more amazing videos & contents 👍😊
@souravmukherjee7508
@souravmukherjee7508 5 жыл бұрын
Best explanation sir, it will helps me a lot in fourtcoming exam .Thank you sir
@abdeali1301
@abdeali1301 2 жыл бұрын
Thank-you sir for amazing video !!! Sir Ek Doubt Tha ki Question me Jitni bhi Dependecies di hai hum usika hi Table Create Kar dete hai to uske Bad Ye sab step karne ki to Zaroorat hi nahi hai. To ham ye step kyu kar rahe hai?
@ektabansal5332
@ektabansal5332 Жыл бұрын
Bookish language had made these topics so much difficult, thanks a lot sir for these videos
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg Жыл бұрын
You are most welcome dear @Ekta😍 Keep learning & stay connected for more amazing videos👍
@hamzajee3401
@hamzajee3401 5 жыл бұрын
Sir you are the best teacher
@itsmayank-08
@itsmayank-08 4 жыл бұрын
Helped a lot while doing assignment during Quarantine
@rajasaha1997
@rajasaha1997 5 жыл бұрын
India needs teacher like you sir.Thanks a lot
@kartickchandramanna267
@kartickchandramanna267 2 жыл бұрын
Excellent lecture 👍 Thank you sir 🙏❤️
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 2 жыл бұрын
Most welcome dear 😍 keep learning & supporting ! Do visit our website www.knowledgegate.in for more amazing courses & contents 👍😊
@alihaiderabbas3508
@alihaiderabbas3508 5 жыл бұрын
I don't know in which manner I should say you THANKS ..you are just amazing .
@Ankit-we8ym
@Ankit-we8ym 6 жыл бұрын
sir can you please teach how to check dependency preserving and lossy/lossless nature of decomposition
@pratikshachauhan4152
@pratikshachauhan4152 6 жыл бұрын
Sir please make a vedio in which we have more than one candidate key
@jatinbhatoya8420
@jatinbhatoya8420 2 жыл бұрын
exceptional teaching skills
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 2 жыл бұрын
Thank you so much dear Jatin, keep learning & supporting, stay tuned ! You can also visit our website www.knowledgegate.in for more amazing contents & courses !
@parthpatel.15
@parthpatel.15 5 жыл бұрын
Sir, Can you solve the following question to decompose the table into first 2NF and then 3NF? Given, the relation: R (a, b, c, d, e, f, g, h, i, j, k, f) and the FDs: a -> c, d, e; a, b, g, h -> i, j, k, f; j, i, g, h -> f, a, b. Decompose the given relation first into 2NF and then 3NF. It will be of great help if you help me in this sir.
@AhamedKabeer-wn1jb
@AhamedKabeer-wn1jb 3 жыл бұрын
Thank you Sir..Well explained..
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 3 жыл бұрын
You are welcome Ahamed.. Keep learning and supporting !! Do visit our website www.knowledgegate.in for more courses and contents !!
@pranjalgoyal6747
@pranjalgoyal6747 5 жыл бұрын
The beauty of the video increases if you watch in 1.75x
@shashwatmahodaya9695
@shashwatmahodaya9695 4 жыл бұрын
2x bruh!!!
@bhavnagoswami1273
@bhavnagoswami1273 3 жыл бұрын
Bhot ache dost ho aap sir🥰
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 3 жыл бұрын
Thanks a lot Bhavna, Keep learning and supporting !! Do visit our website www.knowledgegate.in for more courses and contents !!
@ebteshamkhalidansari8833
@ebteshamkhalidansari8833 4 жыл бұрын
AB->CD,CD->EF,BC->DEF,D->B,CE->F CONVERT THIS 2NF IN 3NF sir plz reply for this question
@MuhammadJunaid-zv3kk
@MuhammadJunaid-zv3kk 4 жыл бұрын
*Sir in questions ma to apny simple ye btaya hua hai k A--->B OR AD--->E but sir actual problem hi to yahi ha hamin samjh ni ati k konsa attribute kis ko determine kr rha ha normal questions ma ye ni likha hota k ye attribute isko determine kr rha yahi chiz find krni parti ha so kindly koi method btayin jis sa hamin asani ho k ye attribute isko determine kr rha ye ni kr rha etc....
@AashishKumar-vb3qb
@AashishKumar-vb3qb 3 жыл бұрын
sir aap toh jaadoogar hoo !!
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 3 жыл бұрын
😂😂😂🙏🙏
@AashishKumar-vb3qb
@AashishKumar-vb3qb 3 жыл бұрын
@@KNOWLEDGEGATE_kg thanks for reply 🙏🙏🙏
@Shailesh_Pratap_Singh
@Shailesh_Pratap_Singh 6 жыл бұрын
Well done sir ...your concepts are awesome ..✌✌
@ipatelriya
@ipatelriya 5 жыл бұрын
Awesome explanation sir🙌
@saisrikar7987
@saisrikar7987 6 жыл бұрын
your videos are great sir!! Thanks. Sir,By the way, Where do you teach.?
@akashsharma9474
@akashsharma9474 4 жыл бұрын
unacademy
@supriyakanwar9990
@supriyakanwar9990 6 жыл бұрын
thanks ....really helpful in understanding concepts and solving questions...
@iamgroot2810
@iamgroot2810 2 жыл бұрын
Brilliant explanation
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 2 жыл бұрын
Thanks dear Sudipa, keep learning & supporting ! Do visit our website www.knowledgegate.in for more amazing contents & courses !
@PandeyJii9632
@PandeyJii9632 4 жыл бұрын
Gajab teacher !!
@shaillymegha2840
@shaillymegha2840 5 жыл бұрын
Thanku sir..we love you knowledge gate
@PANKAJKUMAR-fe8zn
@PANKAJKUMAR-fe8zn 6 жыл бұрын
Thank you a lot .....a ton of thank you sir......because of you, in this theoretical paper....i have very much confidence now.....
@devanshgupta5728
@devanshgupta5728 5 жыл бұрын
exam me shortcut nhi allow hota he
@chrishhemsworth2682
@chrishhemsworth2682 Жыл бұрын
Great sir Now all doubts are cleared 🙏🙏🙏
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg Жыл бұрын
Excellent dear👏Keep learning & stay connected for more content👍
@mitrajsinhjadeja2999
@mitrajsinhjadeja2999 4 жыл бұрын
you are a saviour
@HimanshuSingh-zs3mk
@HimanshuSingh-zs3mk 6 жыл бұрын
Really Great Explanation Sir ,Thank you so much Sir.
@only_rashed
@only_rashed Жыл бұрын
Understanding 🖤
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg Жыл бұрын
Thank you so much dear❤ Keep learning & supporting! Do visit our website www.knowledgegate.in for more amazing contents & complete courses 👍😊
@margipatel8489
@margipatel8489 Жыл бұрын
Best explanation 👍
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg Жыл бұрын
Thank you 🙂Keep learning & 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
@rahulshaw7457
@rahulshaw7457 3 жыл бұрын
Gajabbbbbbbbbb 😁😁😁😁😁😁😁😁😁😁 maja AAA Gaya sir ji
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 3 жыл бұрын
Thanks a lot Rahul.. Keep learning and supporting. Do visit our website www.knowledgegate.in for more courses and contents.
@anweshadatta7670
@anweshadatta7670 5 жыл бұрын
Thank you sir .you are the best..😊
@rasid_khan
@rasid_khan 3 жыл бұрын
Great teacher❤❤
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 3 жыл бұрын
Thank you so much friend.. keep following and watching videos..
@nimmalavishnu3044
@nimmalavishnu3044 5 жыл бұрын
Great Explaination sir,God Bless you sir
@NishaSharma-nd1dk
@NishaSharma-nd1dk 3 жыл бұрын
Thanks sir g
@pritigupta4413
@pritigupta4413 4 жыл бұрын
Outstanding performance sir ji
@harshitharshit6448
@harshitharshit6448 4 жыл бұрын
3rd example me BD and DE Me decompose kiya gya but B Part of cadidate key and prime attribute ek non prime ko identify karra to ye toh 2nf me hi nai hai kaise 3nf me ho gya
@chandanyadava2228
@chandanyadava2228 Жыл бұрын
Consider a relation R(A,B,C,D,E) with set F= { A→CD, C→B,B→AE} What are the prime attributes of this Relation and Decompose the given relation in 3NF 🙏 sir solve this problem
@asifiqbalkhan5601
@asifiqbalkhan5601 Жыл бұрын
A,B,C are candidate keys and A,B,C are prime atributes this relation dont have any partial or transitive dependancy so, it is in 3NF
@dhritimanroyghatak2408
@dhritimanroyghatak2408 5 жыл бұрын
@KNOWLEDGE GATE Sir Beta kabhi bhi prime atribute kaise hoga kyonkin wo khud alpha se nikala jaa skta h ye baat mujhe smjh nhi ayi kya aap please alaborate karenge.Thank you
@farihazultana
@farihazultana 5 жыл бұрын
Bahut pasand ai hai
@muhammadsafiullah8428
@muhammadsafiullah8428 5 жыл бұрын
Sir you are great. 💖
@rpkumawat8879
@rpkumawat8879 6 жыл бұрын
Lucid and vivid explanation
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 6 жыл бұрын
Thank you my friend.. Thank you for following the videos regularly and providing your valuable feedback..
@anujsaini8332
@anujsaini8332 5 жыл бұрын
You r the best teacher Thanku so much sir Thanks 🙏 Sir
@sayansahu7389
@sayansahu7389 Жыл бұрын
well done sir
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg Жыл бұрын
Thank you @Sayan❤ Keep learning & supporting! Stay connected for more amazing contents & videos 👍
@anusreenandy9251
@anusreenandy9251 6 жыл бұрын
Your explanations are the best
@chetanraj1950
@chetanraj1950 6 жыл бұрын
Awesome explanation sir.
@vinayakmishra2365
@vinayakmishra2365 5 жыл бұрын
Sir if humne 3nf me decompose krne waqt ek relation me candidate key ko Bhi rakhte but sir if agar aisa relation mile jaha par ek hi letter ki ck ho tb kya uss suppose only 'A' toh waha pe relation kese bnega
@parths.1903
@parths.1903 5 жыл бұрын
R22 Mei koi bhi candidate key ka attribute nahi hai sir ,,, then won't it be lossy ? ??
@sketchesbyMg
@sketchesbyMg 6 жыл бұрын
I have a doubt.If relation is given A->DE and D is a prime attribute but E is not and A is not a superkey so can I say that this relation is valid for 3 normal form??
@oliganguly2051
@oliganguly2051 5 жыл бұрын
U r amazing sir..ur videos are really helpful
@arjunkhanna1803
@arjunkhanna1803 4 жыл бұрын
21:11 just to convert a relationship table to 3NF we need 6 table so will it take more space in database?? Increase the complexity??
@nkag545
@nkag545 Жыл бұрын
Thanks a lot!
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg Жыл бұрын
Most welcome dear❤ Keep learning & supporting! Stay connected for more amazing videos & contents 👍
@nikkymishra6518
@nikkymishra6518 6 жыл бұрын
Best lecture sir
@MohammedAli-qm2bg
@MohammedAli-qm2bg 5 жыл бұрын
How do we decompose this relation? R(ABCD) F = {AB → C; BCD → A; D → A; B → C} The candidate key is BD.
@srs_queen
@srs_queen 8 ай бұрын
Sir can we combine the tables R11 and R4 in last 4th example ? 20:39
@sahilvishwakarma6848
@sahilvishwakarma6848 3 жыл бұрын
Sir in question no 4 . There is mistake because sir here in R1 we decompose it but sir why because here candidate key is A ,so already the table is in 3 NF so why we decompose it into R11 and R12
@mohammadadnaanzakee3302
@mohammadadnaanzakee3302 Ай бұрын
You might find confusing at first, but believe me you won't find simpler explanation than this!!
@nathm1526
@nathm1526 6 жыл бұрын
Best explanation ever!
@SoniKumari-zq5hd
@SoniKumari-zq5hd 5 жыл бұрын
Thanku Sir for such a important video😊
@riyabansal8835
@riyabansal8835 Жыл бұрын
amazing sir
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg Жыл бұрын
Thanks! Keep learning & 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
@arunavasaha7051
@arunavasaha7051 5 жыл бұрын
in 2nd and 3rd example why we are not creating a separate relation with only keys i.e. R(AB) when AB is a candidate key.. unlike 1st and previous examples?
@aryanarya72
@aryanarya72 2 жыл бұрын
Should be created
@sagarmehla3781
@sagarmehla3781 5 жыл бұрын
Nice explnaition
@himanshi9685
@himanshi9685 6 жыл бұрын
Very good explanation sir tq sir
@vinitagupta3648
@vinitagupta3648 5 жыл бұрын
SIR VERY GOOD LECTURE SIR
@gajendramajhi1688
@gajendramajhi1688 3 ай бұрын
Thank you so much sir....😊😊😊😊😊
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 3 ай бұрын
You're welcome, Gajendra. Keep learning, supporting & stay connected for more content👍
@narendraparmar1631
@narendraparmar1631 6 жыл бұрын
Very precise lecture Thanks sir 😆
@sumeetkumar298
@sumeetkumar298 3 жыл бұрын
Thank you so much sir
@sachinduhan3022
@sachinduhan3022 4 жыл бұрын
you are god. thank you for such wonderful explanation
@chetankumar1487
@chetankumar1487 5 жыл бұрын
Kya ye method se semester exam me solve kr skte h????....jldi bta dijye...mera exam 30 may ko h
@shivmohanagarwal1746
@shivmohanagarwal1746 5 ай бұрын
Best explanation sir
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 5 ай бұрын
Thanks a lot, Shiv. Keep learning, supporting & stay connected for more content👍
@zeeshanmohnavi
@zeeshanmohnavi 5 жыл бұрын
Can't resist giving feedback after watching his videos on FD(Part 3.1) till 3NF(Part 4.8). - His videos are okay to understand the concepts intuitively but will be of little help if you solely rely on it for GATE. Reading a standard book or watching lectures of some reputed colleges (as available on NPTEL/Stanford/MIT) is a must to get the technical jargon and to get the concepts right. - Mr. Sanchit Jain deliberately took examples involving a single candidate key, while solving problems on 3NF, and pretended that this is all that will be asked in GATE/NET. This will give the candidates a sense of "complete" understanding when, in fact, they just learned and practiced the skills to solve a subset of the possible questions. This series was recommended to me by an accomplice, but I won't recommend it if you want to appear for GATE. Supplementing these videos with a reference text might prove helpful. **Views are personal**
@meghnajain7889
@meghnajain7889 5 жыл бұрын
i agree....but it gives a basic understanding for the beginners so that it becomes quite easy to learn further....
@everyone2905
@everyone2905 3 жыл бұрын
Neta Neta har Koi kehta teesri manzil pe rehta .... -Jagdish Bhagat
@flywithrohan05
@flywithrohan05 5 жыл бұрын
In 1st Example, R12 mei, B candidate key kaise Bana? Can you please clear my doubt , tomorrow I'm having my exam... thanks sir
@askariaziz4163
@askariaziz4163 4 жыл бұрын
thanks
@richasharma5486
@richasharma5486 6 жыл бұрын
Sir plzz make a video on query writing bye given schema based qestion
@RaviSingh-yf6jd
@RaviSingh-yf6jd 5 жыл бұрын
Thanks sir but also upload computer network series please thanks again
@rajveerchoudhary5307
@rajveerchoudhary5307 6 жыл бұрын
Great sir 👍
@rohanm2793
@rohanm2793 5 жыл бұрын
Sir, plzz plzz make videos on 4th normal form also
@gouravsharma1952
@gouravsharma1952 6 жыл бұрын
sir pls upload videos on lossless join and dependency preserving
@mohordas5557
@mohordas5557 4 ай бұрын
Thank you so much sir 🤍
@KNOWLEDGEGATE_kg
@KNOWLEDGEGATE_kg 4 ай бұрын
You're welcome. Keep learning, supporting & stay connected for more content👍
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