Database Normalization Tutorial for Beginners | Database Normalization in SQL

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Questpond

Questpond

Күн бұрын

Пікірлер: 15
@questpondvideos
@questpondvideos 3 жыл бұрын
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@kavindurandika2140
@kavindurandika2140 Жыл бұрын
I spent 3 months to understand this, but this teacher taught me that in 30 mins, You are not a teacher, you are a LIFE SAVER
@lajapathyarun4329
@lajapathyarun4329 6 ай бұрын
Great 👍
@abhijeetsharma773
@abhijeetsharma773 2 жыл бұрын
Thanks Sir for providing wonderful content, it helped me in clearing many .net interviews
@mahirabubakar3673
@mahirabubakar3673 4 жыл бұрын
This video is excellent it helped me understand more about the concept thank you
@davb9514
@davb9514 2 жыл бұрын
Thanks. Very helpful
@babajee4644
@babajee4644 6 жыл бұрын
very informative.......................... brilliant...................help me to clear all the issues...............
@seancool1907
@seancool1907 4 жыл бұрын
If any of my students use the terms "table" and\or "field" when asked to describe normalisation, I automatically mark them wrong and make the repeat the exercise until they get it right. Normalisation is a technique used at the data analysis stage of the database development. This is followed by the design stage and then the build stage. Tables are created in the build stage, until then they do do exist, only table structures exist at the completion of the design stage. As the normalisation is performed at the analysis stage no tables existed back then. Attributes are normalised to create entities which are presented as an entity relationship model.
@questpondvideos
@questpondvideos 4 жыл бұрын
If any of my students use the word entities in normalization , i will not mark them wrong , neither will i tell to repeat :-) But i would CORRECT them and say Entities represent real world model and it should not be taken as base for DB design , its good for representing code objects like OOP , DDD. I would not even use the word normalization with entities must be aggregation , composition.... A DB design is more about storing efficiently. retrieving efficiently and word tables , fields should be used more. We just belong to different schools of vocab must be... Happy learning.
@humorherald
@humorherald 4 жыл бұрын
Ordinarily, I wouldn't quibble...but, this seems as bit severe. I might have understood if your sticking point was relation versus table. But, I don't believe Codd's original paper mentioned tables or entities. But, I get the point. I prefer a discussion of entities and attributes, when discussing conceptual modeling techniques...ER modeling. By the time you move into logical modeling (schemas - if you're going to do it) and physical modeling...yes, you should be talking about tables. But, when discussing normalization techniques, we're generally discussing relations. Not every table is a relation. But, every relation is a table. So, even this discussion seems pointless. I think it's just best if they know how to do it. But, to each his own method. Cheers.
@gamingchennai4946
@gamingchennai4946 3 жыл бұрын
awesome sir, thanks a million
@cyberbizkit1321
@cyberbizkit1321 4 жыл бұрын
Amazing tutorial
@yo-2029
@yo-2029 4 жыл бұрын
What program are you using? Is it MS Access?
@questpondvideos
@questpondvideos 4 жыл бұрын
SQL Server
@valijoneshniyazov3859
@valijoneshniyazov3859 4 жыл бұрын
helped me!
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