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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!
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 👍
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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!
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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
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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
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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.
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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.
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.
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1NF: 4:16
2NF: 5:37
3NF: 7:37
BCNF: 9:52
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!
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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 👍
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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
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very clean and clear session
Glad you think so! Keep learning with us..
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!
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)?
One of the best lecture video i have ever watched ..
Glad it helped
what is difference between 2NF and BCNF ?
And this is how I feel in love with the DBMS Subject.
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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
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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
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thank you sir ,very simple and clear explanation
You're welcome 😊 Glad it was helpful!!! Keep learning with us..
What is the difference between 2nd and 3rd? By looking at the examples in the video both looks same. Please let me know thanks
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
It's my exam today and that was really helpful thank you very much
Thanx for the video. I got clarity on this topic by this video.
You're most welcome :) Glad it was helpful !!
Congratulations for 1 million subscribers ...
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
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Good explanation👏🏻👏🏻👏🏻👏🏻
Thank you 😊 Glad it was helpful!!
My exams tommorow, this video really helped alot.
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Thank you...
Great explanation in jus 13 minutes 🙌👏 Understood the whole concept
when I need to understand some topic, I just search topic name + Edureka ✨
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very good explanation.
Glad you think so!
Edureka is the best school 👍
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What a man! Brilliant explanation! Thank you for this!
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I think no one can explain better than you..
Thank you 😊 Glad it was helpful!
Thank u sir it's very ...nice
Most welcome 😊 Glad it was helpful!
Thank you😊😊😊
Clear explanation is super Sir. We need more concept i.e. about keys db commands. How to write queries and also 4nf...
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Great video!! 👍
Thanks for the visit
Really it is very helpful for me to get clarity about this topic for my upcoming exam
Thanks a lot for giving us knowledge 👍👍👏
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Good explanation. I got it.
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I understand much clearer now, Thank you!!
Thanks🙏🏽
Very nice.
What about 4NF and 5NF? Are these two NF really needed in real scenario?
awesome session sir but i need 4nf and 5nf..
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Great explanation!!
This may come in handy and clearly understood the concept when you've got a project at hand
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Great session with examples
Glad you liked it!
Superb simple and short!❤️
Thank you 🙂
sir you are a genius
Nice class
very interesting and explicite and easy to understand
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vv good.
explained ccoly. aprreciate it boss.
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awesome explanation...clear and precise..
Idea!! Keep going bro
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Understood sir, thank you
thanks Sir...too good
Very Nice explanation tq.
jeez thankyou
THANK YOU for the concise and clear examples!
Glad it was helpful!
thank you so much for amazing session sir 🙂
Most welcome
Thanks
Thank you for this beautiful and clear explanation bro
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I wish I had this video when I was in College
Good explaination Sir...!
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very informative, thank you for posting this!
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Excellent
Amazing breakdown of a complex concept - thank you!
Thank you very much for this from Rome.
Excellent video
Tq edureka, tq professor
Thank you so much, awesome video
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I've exam at 10:30 and now it's 8:55 LOL. Thanks anyways :)
this was very helpful thank you for making this!
Man you are great!!!
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Thank you so much sir nice explanation !!
difference between 2nd and 3rd normal form
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.
best explanation
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Great explanation.
sir pls put a video on cyber forensics sir the branch of future cyber security way that proves to be the correct way
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Can u please explain bcnf and super key
🙏 srir
Thank You sir.
Thank you !!
Thank you man, you are great!
Great explanation. Thank you!
What's about 4nf & 5nf
Thank you
well explained
And then come NoSQL DB which difies all these ... tech world is bizzare..
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.
can a table have two primary keys
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.
Nice sir
❤❤❤❤❤❤❤
😇😇
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.
Thank you edureka
You're welcome 😊
thank you so much
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thanks a lot
well explained
good 👍
Thank you
Thanks
thank you
Thank You