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E-R model uses this symbol to represent weak entity set ?
A Doubly outlined rectangle symbol is used to represent weak entity set.
explain external view
Distributed Database Management System
Whst is logical schema ? Logical schema is the entire database.
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
Winfield is a small city with a population of 22,000 with buses serves three routes in Winfield and neighboring areas. As the city’s IT director, you have been asked to set up an i
Explain the function of input controls. Identify four types of input control and explain the function of each. Provide an example of a data integrity error that could occur i
what is relationship inheritance and attribute inheritance
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
What are the benefits of OOA technology? Using OOA technology can produce many benefits, such as: i) Reusability of code ii) Productivity is gained through direct mappi
Explain the Attribute inheritance Ans: Throughout the rendering of the objects in a view, attribute sets of objects higher in the view hierarchy are inherited via objects below
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