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What is Normalization in SQL? | Database Normalization Forms - 1NF, 2NF, 3NF, BCNF | Edureka

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edureka!

edureka!

Күн бұрын

Пікірлер: 141
@edurekaIN
@edurekaIN 4 жыл бұрын
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
@alexandrospanag
@alexandrospanag 4 жыл бұрын
jesus christ you took 15 minutes when my teacher took more than 6 hours and i still hadnt learned anything from! You are a genius sir thank you for the video!
@edurekaIN
@edurekaIN 4 жыл бұрын
Thanks for the compliment! We are glad we could help. Do subscribe to our channel to stay posted on upcoming tutorials.
@DavidEspinosa21
@DavidEspinosa21 4 жыл бұрын
1NF: 4:16 2NF: 5:37 3NF: 7:37 BCNF: 9:52
@shatakshipandey3942
@shatakshipandey3942 2 жыл бұрын
When my professor was teaching I couldn't understand what was even the need for normalisation let alone itself but u made it clear in the very start. Now my all doubts are clear regarding this. Grateful that I came through this video. Helped alot 👍
@edurekaIN
@edurekaIN 2 жыл бұрын
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:)
@StateEnemy01
@StateEnemy01 3 жыл бұрын
I have a textbook that 'explains' this subject. That book could have been written in hieroglyphs and it would make more sense to me. Thank you so much for the very clear explanation! Helps me a lot!
@haniffaris8917
@haniffaris8917 2 жыл бұрын
But wasn't the table in the 3NF example not yet in 2NF? Isn't Subject (Non-prime attribute) is partially dependent on Subject Id (candidate key)?
@sneharay60
@sneharay60 2 жыл бұрын
The video was really very helpful to me. It's because of the presence of teachers like you that students can understand the topics instantly especially those who don't have tutors
@edurekaIN
@edurekaIN 2 жыл бұрын
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 : )
@bhanupriya2244
@bhanupriya2244 2 жыл бұрын
I had left only 1hr for xam I jst saw this video twice nd written the same question, the explanation was very clear can understand easily
@edurekaIN
@edurekaIN 2 жыл бұрын
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 !
@maryamfatima5882
@maryamfatima5882 Жыл бұрын
very clean and clear session
@edurekaIN
@edurekaIN Жыл бұрын
Glad you think so! Keep learning with us..
@mahimsd7645
@mahimsd7645 4 жыл бұрын
Congratulations for 1 million subscribers ...
@pranavwagh9350
@pranavwagh9350 2 жыл бұрын
what is difference between 2NF and BCNF ?
@pavanputluru3417
@pavanputluru3417 4 жыл бұрын
What is the difference between 2nd and 3rd? By looking at the examples in the video both looks same. Please let me know thanks
@edurekaIN
@edurekaIN 4 жыл бұрын
To make sure that the database must in 2NF, the database should be 1NF and should also have a single-column primary key. Also, to make sure that the database must in 3NF, the database should be in 2NF and must not have any transitive functional dependencies. If you want an example on Normalization, refer to the following article:www.edureka.co/blog/sql-tutorial/#normalization
@dakaninongpluh4556
@dakaninongpluh4556 Жыл бұрын
thank you sir ,very simple and clear explanation
@edurekaIN
@edurekaIN Жыл бұрын
You're welcome 😊 Glad it was helpful!!! Keep learning with us..
@vaishnaviv7113
@vaishnaviv7113 3 жыл бұрын
It's my exam today and that was really helpful thank you very much
@navnathbhure3789
@navnathbhure3789 2 жыл бұрын
One of the best lecture video i have ever watched ..
@edurekaIN
@edurekaIN 2 жыл бұрын
Glad it helped
@mayanksoni214
@mayanksoni214 Жыл бұрын
And this is how I feel in love with the DBMS Subject.
@edurekaIN
@edurekaIN Жыл бұрын
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 : )
@kratikakothari6848
@kratikakothari6848 4 жыл бұрын
Great explanation in jus 13 minutes 🙌👏 Understood the whole concept
@mudassiribad2910
@mudassiribad2910 Жыл бұрын
Thank you sir very grateful explanation in simple method very helpful for me by these explanation i had cleared all the doubts regarding this concept
@edurekaIN
@edurekaIN Жыл бұрын
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 : )
@arshiya_83
@arshiya_83 8 ай бұрын
thank you so much for amazing session sir 🙂
@edurekaIN
@edurekaIN 7 ай бұрын
Most welcome
@burcukaradag2975
@burcukaradag2975 Жыл бұрын
Thank you, you are awesome this is the fifth video that I ve been watching for normalizations, I just understood with your video, thank you very much
@edurekaIN
@edurekaIN Жыл бұрын
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 : )
@afsardesign
@afsardesign 2 жыл бұрын
Really it is very helpful for me to get clarity about this topic for my upcoming exam Thanks a lot for giving us knowledge 👍👍👏
@edurekaIN
@edurekaIN 2 жыл бұрын
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 : )
@andrewkoh9678
@andrewkoh9678 4 жыл бұрын
I understand much clearer now, Thank you!!
@djgulston
@djgulston 2 жыл бұрын
What a man! Brilliant explanation! Thank you for this!
@edurekaIN
@edurekaIN 2 жыл бұрын
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 : )
@pravallikamanepalli1061
@pravallikamanepalli1061 2 жыл бұрын
Thank you edureka
@edurekaIN
@edurekaIN 2 жыл бұрын
You're welcome 😊
@Vishnu-ix2di
@Vishnu-ix2di 2 жыл бұрын
Thanx for the video. I got clarity on this topic by this video.
@edurekaIN
@edurekaIN 2 жыл бұрын
You're most welcome :) Glad it was helpful !!
@aj7ttt
@aj7ttt 3 жыл бұрын
when I need to understand some topic, I just search topic name + Edureka ✨
@edurekaIN
@edurekaIN 3 жыл бұрын
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:)
@dhaneshpt8641
@dhaneshpt8641 Жыл бұрын
Thank you...
@jeevitham205
@jeevitham205 2 жыл бұрын
Clear explanation is super Sir. We need more concept i.e. about keys db commands. How to write queries and also 4nf...
@edurekaIN
@edurekaIN 2 жыл бұрын
It is great to know that our contents are helping you learn better and learn easy ! We are super glad to know and have learners like you with us. We'll definitely take your suggestion to the team and create content on this ! Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )
@himanshupande3707
@himanshupande3707 3 жыл бұрын
awesome explanation...clear and precise..
@saltech2024
@saltech2024 2 жыл бұрын
Great explanation!! This may come in handy and clearly understood the concept when you've got a project at hand
@edurekaIN
@edurekaIN 2 жыл бұрын
Thank you so much : ) We are glad to be a part of your learning journey. Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )
@sajidmanzar
@sajidmanzar 2 жыл бұрын
What about 4NF and 5NF? Are these two NF really needed in real scenario?
@hopeislife1651
@hopeislife1651 3 жыл бұрын
Understood sir, thank you
@livefootballmondiale2302
@livefootballmondiale2302 2 жыл бұрын
very interesting and explicite and easy to understand
@edurekaIN
@edurekaIN 2 жыл бұрын
Good To know our videos are helping you learn better :) Stay connected with us and keep learning ! Do subscribe the channel for more updates : )
@lorenzoliswaniso591
@lorenzoliswaniso591 2 жыл бұрын
Thanks🙏🏽
@mahesh97413
@mahesh97413 3 жыл бұрын
Very Nice explanation tq.
@aniketrajapure8251
@aniketrajapure8251 Жыл бұрын
Thank You
@mumbaikachallenge5526
@mumbaikachallenge5526 2 жыл бұрын
Superb simple and short!❤️
@edurekaIN
@edurekaIN 2 жыл бұрын
Thank you 🙂
@Peeves22
@Peeves22 3 жыл бұрын
Amazing breakdown of a complex concept - thank you!
@shaikmohammed9981
@shaikmohammed9981 Жыл бұрын
Good explanation👏🏻👏🏻👏🏻👏🏻
@edurekaIN
@edurekaIN Жыл бұрын
Thank you 😊 Glad it was helpful!!
@rainboww1515
@rainboww1515 2 жыл бұрын
Thank you
@amanbhargava2702
@amanbhargava2702 2 жыл бұрын
Thank you😊😊😊
@maneeshapathipati2084
@maneeshapathipati2084 2 жыл бұрын
Thank u sir it's very ...nice
@edurekaIN
@edurekaIN 2 жыл бұрын
Most welcome 😊 Glad it was helpful!
@complexity8851
@complexity8851 3 жыл бұрын
I wish I had this video when I was in College
@karrisateesh7938
@karrisateesh7938 Жыл бұрын
very good explanation.
@edurekaIN
@edurekaIN Жыл бұрын
Glad you think so!
@kapilkarki1696
@kapilkarki1696 2 жыл бұрын
Thank you for this beautiful and clear explanation bro
@edurekaIN
@edurekaIN 2 жыл бұрын
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 : )
@matthewdodson9422
@matthewdodson9422 2 жыл бұрын
THANK YOU for the concise and clear examples!
@edurekaIN
@edurekaIN 2 жыл бұрын
Glad it was helpful!
@masadamsahid
@masadamsahid Жыл бұрын
Thanks
@mohanreddy2404
@mohanreddy2404 2 жыл бұрын
I think no one can explain better than you..
@edurekaIN
@edurekaIN 2 жыл бұрын
Thank you 😊 Glad it was helpful!
@user-ux4sp3ot2c
@user-ux4sp3ot2c Жыл бұрын
Very nice.
@franzbiberkopf9179
@franzbiberkopf9179 4 жыл бұрын
Thank you very much for this from Rome.
@flipflop5189
@flipflop5189 2 жыл бұрын
very informative, thank you for posting this!
@edurekaIN
@edurekaIN 2 жыл бұрын
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 : )
@nvkchannel8201
@nvkchannel8201 2 жыл бұрын
thanks Sir...too good
@binoyaravind1025
@binoyaravind1025 2 жыл бұрын
Great session with examples
@edurekaIN
@edurekaIN 2 жыл бұрын
Glad you liked it!
@Aspen-s3p
@Aspen-s3p 2 жыл бұрын
My exams tommorow, this video really helped alot.
@edurekaIN
@edurekaIN 2 жыл бұрын
Thank you so much : ) We are glad to be a part of your learning journey. Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )
@anexusthanatos4021
@anexusthanatos4021 Жыл бұрын
Great video!! 👍
@edurekaIN
@edurekaIN Жыл бұрын
Thanks for the visit
@sarmmadd
@sarmmadd 2 жыл бұрын
vv good. explained ccoly. aprreciate it boss.
@edurekaIN
@edurekaIN 2 жыл бұрын
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 !
@moulimallina7501
@moulimallina7501 4 жыл бұрын
Tq edureka, tq professor
@surya.k7793
@surya.k7793 3 жыл бұрын
thank you
@vidyabukitgar
@vidyabukitgar 4 жыл бұрын
Thank you so much sir nice explanation !!
@jishajustin9523
@jishajustin9523 2 жыл бұрын
Good explanation. I got it.
@edurekaIN
@edurekaIN 2 жыл бұрын
Thank you for you time in giving a feedback :) We are glad that you are learning from our videos! Stay connected with our channel :)
@Zed.1836
@Zed.1836 3 жыл бұрын
this was very helpful thank you for making this!
@jpoezi
@jpoezi 2 жыл бұрын
sir you are a genius
@priyanshu6465
@priyanshu6465 2 жыл бұрын
jeez thankyou
@anshumanster
@anshumanster 3 жыл бұрын
Excellent
@aatmakumar4631
@aatmakumar4631 2 жыл бұрын
Nice class
@alvarobusquets
@alvarobusquets 2 жыл бұрын
Edureka is the best school 👍
@edurekaIN
@edurekaIN 2 жыл бұрын
Good To know our videos are helping you learn better :) Stay connected with us and keep learning ! Do subscribe the channel for more updates : )
@jackieboi321
@jackieboi321 4 жыл бұрын
Excellent video
@azmatkhan3895
@azmatkhan3895 3 жыл бұрын
Good explaination Sir...!
@edurekaIN
@edurekaIN 3 жыл бұрын
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 : )
@delanocripps4339
@delanocripps4339 2 жыл бұрын
Idea!! Keep going bro
@edurekaIN
@edurekaIN 2 жыл бұрын
Thank you so much : ) We are glad to be a part of your learning journey. Do subscribe the channel for more updates : ) Hit the bell icon to never miss an update from our channel : )
@pcgmotorsport9299
@pcgmotorsport9299 2 жыл бұрын
Thank you so much, awesome video
@edurekaIN
@edurekaIN 2 жыл бұрын
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 : )
@marc4594
@marc4594 3 жыл бұрын
Thank you man, you are great!
@017gowthamarajaam8
@017gowthamarajaam8 2 жыл бұрын
thanks a lot
@gretelgomezrodriguez4006
@gretelgomezrodriguez4006 4 жыл бұрын
Great explanation. Thank you!
@muhammadkamranjaved2424
@muhammadkamranjaved2424 3 жыл бұрын
Man you are great!!!
@edurekaIN
@edurekaIN 3 жыл бұрын
Thank you for your review : ) We are glad that you found our videos /contents useful . We are also trying our best to further fullqfill 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 : )
@pavankumarreddykattameddi8385
@pavankumarreddykattameddi8385 3 жыл бұрын
Can u please explain bcnf and super key
@ayamohammed7655
@ayamohammed7655 4 жыл бұрын
Thank you !!
@shravyashetty3115
@shravyashetty3115 2 жыл бұрын
thank you so much
@edurekaIN
@edurekaIN 2 жыл бұрын
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 : )
@sowmyasunkara7136
@sowmyasunkara7136 4 жыл бұрын
Thank You sir.
@someshwarans2889
@someshwarans2889 Жыл бұрын
awesome session sir but i need 4nf and 5nf..
@edurekaIN
@edurekaIN Жыл бұрын
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
@mohdzarrar2793
@mohdzarrar2793 4 жыл бұрын
Great explanation.
@s.r.chockklingam3991
@s.r.chockklingam3991 2 жыл бұрын
What's about 4nf & 5nf
@latieshsai5192
@latieshsai5192 Жыл бұрын
sir pls put a video on cyber forensics sir the branch of future cyber security way that proves to be the correct way
@edurekaIN
@edurekaIN Жыл бұрын
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
@chodingninjas7415
@chodingninjas7415 3 жыл бұрын
best explanation
@edurekaIN
@edurekaIN 3 жыл бұрын
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 : )
@gauravarora8405
@gauravarora8405 4 жыл бұрын
difference between 2nd and 3rd normal form
@edurekaIN
@edurekaIN 3 жыл бұрын
In 2NF non-prime attributes are allowed to be functionally dependent on non-prime attributes. In 3NF non-prime attributes are only allowed to be functionally dependent on Super key of relation. No partial functional dependency of non-prime attributes are on any proper subset of candidate key is allowed. Hope that solves your query.
@evnraja
@evnraja 4 жыл бұрын
well explained
@anushanelevalli1407
@anushanelevalli1407 2 жыл бұрын
🙏 srir
@badhavaththukaram9538
@badhavaththukaram9538 4 жыл бұрын
good 👍
@shivaprasad-kn3kw
@shivaprasad-kn3kw 4 жыл бұрын
can a table have two primary keys
@edurekaIN
@edurekaIN 4 жыл бұрын
We can have only one Primary Key on a table. Keeping this in consideration and to enforce database normalization (third normal form) databases don't allow multiple primary keys on a table. You can create primary key spanning multiple columns. You can also create a UNIQUE constraint on a NOT NULL column.
@vadlapudirajesh4183
@vadlapudirajesh4183 Жыл бұрын
❤❤❤❤❤❤❤
@ekant1992
@ekant1992 4 жыл бұрын
And then come NoSQL DB which difies all these ... tech world is bizzare..
@edurekaIN
@edurekaIN 4 жыл бұрын
SQL and NoSQL are used to store different formats of databases. So, both of them stand good against each other and you have to choose which type of database can help you and your organization.
@harshitsrivastava9903
@harshitsrivastava9903 2 жыл бұрын
😇😇
@prajwalbhat275
@prajwalbhat275 4 жыл бұрын
Nice sir
@kashyapdamodar7338
@kashyapdamodar7338 3 жыл бұрын
I couldn't get past the distraction caused by the instructor pronouncing Data as Deeeta. Seemed like a good tutorial otherwise, so truly its my loss.
@manojreddy444
@manojreddy444 3 жыл бұрын
Thanks
@Abhi_JW999
@Abhi_JW999 4 жыл бұрын
Thank you
@arsha0206
@arsha0206 4 жыл бұрын
well explained
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