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education.
Explain degree of relation? Degree of a Relation - The degree or arity of a relation is the number of attributes n of its relation schema.
basic structure of xml
Can we delete data element, which is being used by table fields. No we cant delete data element.
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational mo
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
State the definition of association An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, asso
i need help for assignment ..
Explain Candidate Key and Super Key A super key is a set of one or more than attributes that, taken collectively, permits us to identify uniquely a tuple in the relation. Wher
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