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create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
Limitations of File Based System The file-based system has some limitations. The limitations are listed as follows: Isolation and separation of data: When the data is
Design a gennalization and specialization hierarchy for an automobile sales company
define normalisation and functional dependency
Question: (a) Discuss the difference between a composite key and a composite attribute. How would each be indicated in an E-R diagram? Support your answer with appropriate exam
Objectives After Reading this part, you should be able to: Explain the term CONCURRENCY; Describe the term transaction and concurrent transactions; Talk about co
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
Consider the relation schemas as follows. works (person name, company name, salary); lives (person name, street, city); located in(company name, city); managers (person name
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
What is Specialization? Specialization: Specialization permits you to describe new types of information (new structural types or latest domains of information), although reusin
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