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Multivalued dependency occurs when two attributes in a table are independent of each other but, both depend on a third attribute. A multivalued dependency consists of at least two attributes that are dependent on a third attribute that's why it always requires at least three attributes.
Jun 13, 2024 · In Database Management Systems (DBMS), multivalued dependency (MVD) deals with complex attribute relationships in which an attribute may have many independent values while yet depending on another attribute or group of attributes.
May 15, 2024 · In Database Management Systems (DBMS), multivalued dependency (MVD) deals with complex attribute relationships in which an attribute may have many independent values while yet depending on another attribute or group of attributes.
Multivalued Dependency in DBMS: The concept of MVD or Multivalued dependency refers to having multiple rows in a given table. Thus, it implies that there is a presence of multiple other rows in the very same table. Visit to learn more on Multivalued Dependency in DBMS.
Jul 6, 2021 · A multivalued dependency involves at least three attributes of a table. It is represented with a symbol "->->" in DBMS. X->Y relates one value of X to one value of Y. X->->Y (read as X multidetermines Y) relates one value of X to many values of Y.
Fourth Normal Form (4NF) Fourth Normal Form comes into picture when Multi-valued Dependency occur in any relation. In this tutorial we will learn about Multi-valued Dependency, how to remove it and how to make any table satisfy the fourth normal form. Follow the video above for complete explanation of 4th Normal Form.
Multivalued Dependency. The termMultivalued Dependency refers to having several rows in a particular table. As a result, it implies that there are multiple other rows in the same table. A multivalued dependency would thus preclude the 4NF. Any multivalued dependency would involve at least three table attributes.
