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What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
Represent the following scenarios with E-R diagrams drawn using the ER Assistant software. The diagrams should indicate cardinality and optionality of relationships. Transform each
Demonstrate your knowledge of PL/SQL programming by writing and thoroughly testing triggers and stored procedures associated with an e-commerce application that provides security l
What are the uses of functional dependencies? To test relations to see whether they are legal under a given set of functional dependencies. To state constraints on the set
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
statical data
what is definition hierarchical data model
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
What functions does a data dictionary perform? In a (DBMS)data management system, the principal functions performed by the data dictionary are Management of data defini
Chapter 10a review questions
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