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Define the notation for classes and atrributes
The notation for class, attribute, and operations are shown below:
Figure: Class with attributes and operations
An interface is a set of operations which are used to specify a service of a class or a component.
What are stored and derived attributes? Stored attributes: The attributes keeps in a data base are known as stored attributes. Derived attributes: The attributes that are de
what factors might influence a company to outsource its IT infrascture.
Object Oriented model :An object has values stored in instance variables within the object. An object also has bodies of code that execute on the object. These bodies of code are
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
Which database object does not physically exist? A view database object does not physically exist.
What is recursive closure? Why is it not possible to describe this operation in relational algebra? Recursive closure is applied to recursive relationship. An instance of rec
List some security violations (or) name any forms of malicious access. A) Unauthorized reading of data B) Unauthorized modification of data C) Unauthorized destruction of
Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
pine vally company
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
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