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Transitive dependencies occur when a determinant affects the values of more than one business object.

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12y ago

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What is Transitive functional dependency?

A functional dependency X->Y is transitive in R, if there exists an attribute Z in R, such that X-> Z, Z-> Y .


A condition in which one attribute is dependent on another attribute when neither attribute is part of the primary key?

transitive dependency


What is non transitive dependency?

Non-transitive dependency occurs in a database when a relationship between three or more attributes does not imply a direct relationship between all of them. Specifically, if attribute A is dependent on attribute B, and attribute B is dependent on attribute C, it does not necessarily mean that attribute A is dependent on attribute C. This type of dependency can complicate database normalization and design, as it can lead to redundancy and anomalies in data management. Understanding non-transitive dependencies is crucial for ensuring data integrity in relational databases.


How would you describe a condition in which one attribute is dependent on another attribute when neither attribute is part of the primary key?

Transitive Dependency


What is data dependency in DBMS?

Data dependency in DBMS refers to the relationship between different data elements within a database. There are three main types: functional dependency (one attribute determines another), partial dependency (part of a composite key determines other attributes), and transitive dependency (dependency between non-key attributes). Understanding data dependencies is crucial for database normalization and maintaining data integrity.


Describe the purpose of normalizing data and also list out the dependencies involved in the process of normalization?

The purpose of normalizing data in DBMS is to reduce the data redundancy and increase the consistency of data. a) Partial dependency: non-prime attribute ( field) depends on other non-prime attributes b) Functional dependency c) Transitive dependency


What is the difference between partial dependency and transitive dependency?

A partial dependency is a dependency where A is functionally dependant on B ( A → B), but there is some attribute on A that can be removed from A and yet the dependacy stills holds. For instance if the relation existed StaffNo, sName → branchNo Then you could say that for every StaffNo, sName there is only one value of branchNo, but since there is no relation between branchNo and staffNo the relation is only partial. In a transitive dependancy is where A → B and B → C, therefore A → C (provided that B → A, and C → A doesn't exist). In the relation staffNo → sName, position, salary, branchNo, bAddress branchNo → bAddress is a transitive dependacy because it exists on StaffNo via BranchNo. That is the difference. A partial dependency is a dependency where A is functionally dependant on B ( A → B), but there is some attribute on A that can be removed from A and yet the dependacy stills holds. For instance if the relation existed StaffNo, sName → branchNo Then you could say that for every StaffNo, sName there is only one value of branchNo, but since there is no relation between branchNo and staffNo the relation is only partial. In a transitive dependancy is where A → B and B → C, therefore A → C (provided that B → A, and C → A doesn't exist). In the relation staffNo → sName, position, salary, branchNo, bAddress branchNo → bAddress is a transitive dependacy because it exists on StaffNo via BranchNo. That is the difference.


Is rose transitive or intransitive?

transitive


Is meets intransitive or transitive?

transitive


is arrive transitive or intransitive?

transitive


She felt contaminated after bathing in the river for several days is it a transitive or a intransitive?

transitive transitive


Most people think of bamboo as a tree or a bush is the a transitive or intransitive?

transitive