Keys in database | Composite  key | DBMS | Bhanu Priya

Keys in database | Composite key | DBMS | Bhanu Priya

Education 4u

4 года назад

102,819 Просмотров

Ссылки и html тэги не поддерживаются


Комментарии:

Dude_ Mude
Dude_ Mude - 28.04.2023 23:54

OMG this cleared all my doubts thank u u u u u u u u

Ответить
Zehra Kakız
Zehra Kakız - 01.08.2022 13:44

Composite key is generally used in many to many relationships. Thanks for the whole course playlist. It is great!!

Ответить
Dragonite
Dragonite - 22.06.2022 17:37

composite keys : used when there is no single key or attribute (i.e no primary keys)available to find unique rows in a table. In that case we use multiple keys to find that unique rows in the table and this approach is called composite keys .

Ответить
Pravallika Kaliverupu
Pravallika Kaliverupu - 01.05.2022 06:15

Thank you so much mam ❤️❤️ your explanation is so nice mam 😊😊😊 I had a so much of doubt about keys but now clear my doubts after seeing your video thank you mam

Ответить
KRISHAN ROHILLA
KRISHAN ROHILLA - 27.09.2021 08:59

That's means primary key + foreign key = composite key ??

Ответить
Kunal Patil
Kunal Patil - 17.08.2021 21:32

Its like primary key(std_id,sub_id)
this is syntax where we give muliple primary to single table

Ответить
reza khakpour
reza khakpour - 24.03.2021 09:03

thak youuu

Ответить
Busi Jagannath Rao
Busi Jagannath Rao - 04.01.2021 13:58

Please be clear while explaining, i think you are bit confused on it.

Ответить
C. D. PREMKUMAR
C. D. PREMKUMAR - 07.11.2020 07:52

2.01 Since a Super key also has multiple attributes just like the Composite key, what is the exact difference between Super key and Composite key ?

Ответить
Maestro Roshi
Maestro Roshi - 07.11.2020 02:15

ty

Ответить
FITNESS GROUP OF INDIA
FITNESS GROUP OF INDIA - 16.09.2020 18:51

Nice explain

Ответить
Jaydeep Adhikari
Jaydeep Adhikari - 28.08.2020 19:15

Poorly explained.

Ответить
himanshu.0415
himanshu.0415 - 03.08.2020 09:57

can we call a group of attribute ck if one of them cannot identify unique att but in a group it can ??

Ответить
Niklaus
Niklaus - 25.07.2020 21:13

Thanks for clear explanation.........

Ответить
sushant bhatia
sushant bhatia - 18.07.2020 12:13

thanku madam composite key btane ke liye key mujhe table ke example ke sath he samaj ata hain

Ответить
Piyush Jiwane
Piyush Jiwane - 14.07.2020 12:04

big confussion

Ответить
Sumith Shetty
Sumith Shetty - 26.05.2020 15:25

Be clear with the explaination. Seems like you are confused as well

Ответить
Anushka Beautiful World
Anushka Beautiful World - 15.05.2020 17:05

Thanks mam 🙂

Ответить
Deepanshu
Deepanshu - 22.02.2020 10:16

So what is the difference between conposite abd super key?? Plzz reply i had exam tomorrow

Ответить
Aslam Khan
Aslam Khan - 08.01.2020 06:01

Please sir speak in your own language Hindi because a lot of people don't understand English

Ответить
Aslam Khan
Aslam Khan - 08.01.2020 06:00

How are you sir

Ответить
Aslam Khan
Aslam Khan - 08.01.2020 06:00

I am the 1st viewer

Ответить
Aslam Khan
Aslam Khan - 08.01.2020 05:59

Nice vedio

Ответить