KEYS IN DBMS | Difference between composite and candidate key

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This video will explain 5 keys in dbms
1. Super key
2. Candidate key
3. Primary key
4. Secondary key
5. Composite key

Knowing keys in dbms is very important as it is a very common interview question.
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  1. Crack Concepts
  2. Keys in dbms
  3. Sql interview questions
  4. Dbms interview questions
  5. What is super key
  6. Difference between composite key and candidate key
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Комментарии
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(Perfect for anyone willing to switch to a completely new field or to a different company in the Tech World)

crackconcepts
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the best thing about your videos is that it is very short and comparatively much informative than others.

zishanafzal
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Foreign Key is mapped to Primary Key of Parent table. FK is not a PK and it can have duplicate values as well.

kiranachanta
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excellent video with good example....struggle to get this on internet and finally got here

raj-lusm
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nicely explained in short time. REALLY APPRICIATE YOUR WORK👍🏻

designers_rockwall
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Thank you mam for sharing the video's. it's helping alot of students throughout the world! Keep going😊🙏

CelebrateWithVani
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Phone number also will be same for two students if both are siblings. Hence, we can not consider phone number as a Primary Key or Unique Key.

HarjotSingh-eqjq
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Great job. Thanks for the easy to understand explanation 🧡🤝

parichaybhatt
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Thank your for the explanations very helpful 💛💛

ezzati
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This is was the shortest and best explaining video..

ritihajagadesh
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Nice.
Please make video on SQL constraints with example.

irocksify
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Thanks for such content. I think we missed Surrogate key.

hardikjaggi
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Concepts are crystal clear. Even I used to get confused with candidate key and composite key. but now it's clear. Mam please make videos on normalisation concept.

naveenshagala
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thanks. help me a lot. mam plz make other videos on DBMS.

sayanthankathirkamanathan
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Very easy way of understanding of sql for beginners like me🤗. Wishing for much more video like this.

Love from mangalore❤

Bestclipz
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Hey mam what is the difference between the composite key and super key?

surajsingh-smqx
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Candidate key’s attributes can contain NULL value which oppose to the primary key

sameerpandey
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Mem plzz make a vedio fast to implement keys in details with cammond s

surajprajapat
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help me alot . mam plz make other videos on dbms.

thecodebehavior
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Mem plzz implement all the keys in practical

surajprajapat