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Analyzing Association Traversal
Association Traversal shall be understood properly for the association design explanation. Analyzing association traversal means analyzing traversal among the objects. Associations are inherently bi-directional, that is certainly true in an abstract sense. But, if some associations in application are only traversed in single direction, in this case implementation can be simplified.
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Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
Related fields in a database are grouped in which form? Related data fields in a database are grouped to form a data record. (A record is a collection of related fields)
Probelm: (a) A distributed database (DDB) is a collection of multiple, logically interrelated databases which are physically distributed over a computer network" (i) Give a
Define in which normalisation form if an attribute of a composite key is dependent on an attribute of other composite key. Ans: 3NF A relation is in 3 NF if an attribute of
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In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
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Question 1 Draw a Data Flow Diagram for a University scenario Question 2 Discuss the following with suitable examples Relational Algebra Operators Database Pla
What are the four main characteristics of the database approach? The four major characteristics of the database approach are: 1. Self-describing nature of a database system. 2.
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