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![Amit Diwan](https://www.tutorialspoint.com/assets/profiles/12232/profile/200_57779-1530512459.jpg)
About
Amit Diwan holds an MCA from GGSIPU, Delhi. He is an e-Learning professional who has worked as an employee as well as a freelancer for websites for more than 5 years. His specialization includes WordPress, creating tutorials, writing learning content, content management, etc. He has also written a research paper on e-Learning.
Amit Diwan has Published 103 Articles
![Amit Diwan](https://www.tutorialspoint.com/assets/profiles/12232/profile/60_57779-1530512459.jpg)
Amit Diwan
8K+ Views
To create a rounded circle with Bootstrap, use the rounded-circle class.Add the rounded-circle class in the Above, we also have a test class, which is a CSS class to style the circle −.test { width: 270px; height: 320px; background-color: yellow; }You can try to run the ... Read More
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Amit Diwan
265 Views
Use the card-text class in Bootstrap to set text in a card. Add this class in your web page by including it as any other class in an element, for example, tag in the below given code snippet − Demo text in a card The text in the ... Read More
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Amit Diwan
8K+ Views
RDMS Terminologies include Database, Table, Columns, etc. Let us see them one by one −DatabaseDatabase is a collection of tables like , , etc.TableA table is a collection of rows and columns , for example, StudentIdStudentNameStudentRank052Tom1035David2077John3ColumnColumn is in a table −RowRow is also called a tuple in RDBMS. A relation in ... Read More
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Amit Diwan
4K+ Views
Alternate Key or Secondary Key is the key that has not been selected to be the primary key, but are candidate keys. However, it is considered a candidate key for the primary key.A candidate key not selected as a primary key is called alternate or secondary key. Candidate key is ... Read More
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Amit Diwan
4K+ Views
In 6NF, the relation variable is decomposed into irreducible components. A relation is in 6NF, only if, It is in 5NF, and every join dependency on the relation is trivialLet us see an example −Enrollment_NoNameMarksThe possible join dependencies for the above would be −{Enrollment_No, Marks}{Enrollment_No, Name}In Sixth Normal Form (6NF), ... Read More
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Amit Diwan
5K+ Views
A relation is in DKNF when insertion or delete anomalies are not present in the database. Domain-Key Normal Form is the highest form of Normalization. The reason is that the insertion and updation anomalies are removed. The constraints are verified by the domain and key constraints.A table is in Domain-Key ... Read More
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Amit Diwan
6K+ Views
What is a Secondary KeySecondary Key is the key that has not been selected to be the primary key. However, it is considered a candidate key for the primary key.Therefore, a candidate key not selected as a primary key is called secondary key. Candidate key is an attribute or set ... Read More
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Amit Diwan
3K+ Views
Entity in DBMS can be a real-world object with an existence. To identify entity from a given problem, follow the below given tips −Under the problem description, try to find the entity.Search for nouns, like Teacher, Doctor, etc.Classify nouns to get a wider picture about the entities.Read the problem description ... Read More
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Amit Diwan
17K+ Views
The 5NF (Fifth Normal Form) is also known as project-join normal form. A relation is in Fifth Normal Form (5NF), if it is in 4NF, and won’t have lossless decomposition into smaller tables.You can also consider that a relation is in 5NF, if the candidate key implies every join dependency ... Read More
![Amit Diwan](https://www.tutorialspoint.com/assets/profiles/12232/profile/60_57779-1530512459.jpg)
Amit Diwan
13K+ Views
An attribute is fully functional dependent on another attribute, if it is Functionally Dependent on that attribute and not on any of its proper subset.For example, an attribute Q is fully functional dependent on another attribute P, if it is Functionally Dependent on P and not on any of the ... Read More