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What do you mean by association of attributes?
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What do you mean by association of attributes?
Association of Attributes
Attributes in a database refer to the characteristics or properties of entities. When these attributes are related to each other in some way, it is known as the association of attributes. This association can help in organizing and structuring data effectively.
Types of Association of Attributes
Importance of Association of Attributes
In conclusion, the association of attributes plays a crucial role in database design and management by ensuring data integrity, normalization, and query optimization. It is essential to identify and understand these associations to create a well-structured and efficient database system.
Attributes in a database refer to the characteristics or properties of entities. When these attributes are related to each other in some way, it is known as the association of attributes. This association can help in organizing and structuring data effectively.
Types of Association of Attributes
- Functional Dependency: This type of association occurs when one attribute uniquely determines another attribute in a database table. For example, in a table of employees, the employee ID uniquely determines the employee's name.
- Multivalued Dependency: In this type of association, one attribute determines multiple values of another attribute. For instance, in a table of employees and their projects, an employee can work on multiple projects, leading to a multivalued dependency between them.
- Transitive Dependency: This association occurs when one attribute indirectly determines another attribute through a chain of dependencies. For example, in a table of students, the student's class indirectly determines the teacher's name through the subject they are studying.
Importance of Association of Attributes
- Data Integrity: By understanding the associations between attributes, data redundancy can be minimized, and data integrity can be maintained in the database.
- Normalization: Recognizing the associations of attributes helps in normalizing the database structure, leading to efficient storage and retrieval of data.
- Query Optimization: Knowing the associations between attributes can help in optimizing queries to retrieve information more quickly and accurately.
In conclusion, the association of attributes plays a crucial role in database design and management by ensuring data integrity, normalization, and query optimization. It is essential to identify and understand these associations to create a well-structured and efficient database system.
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What do you mean by association of attributes?
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What do you mean by association of attributes? for B Com 2024 is part of B Com preparation. The Question and answers have been prepared according to the B Com exam syllabus. Information about What do you mean by association of attributes? covers all topics & solutions for B Com 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What do you mean by association of attributes?.
What do you mean by association of attributes? for B Com 2024 is part of B Com preparation. The Question and answers have been prepared according to the B Com exam syllabus. Information about What do you mean by association of attributes? covers all topics & solutions for B Com 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What do you mean by association of attributes?.
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