3 years ago

________ a database rearranges data and objects in a database to make its size smaller

1 answer:

8 0

<span>An attribute in a relation of a database that serves as the primary key of another relation in the same database is called a

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3 years ago

Design and implement a set of classes that define various types of reading material: books, novels, magazines, technical journal

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Answer:

Following are the code to this question:

please find the attached file.

Explanation:

In this code, four class "novels, magazines, technical journals, and textbooks", is defined, in which it holds their respective default constructor and the get and set method to hold the string and integer value, and in the book class the main method is defined, that creates its object and a switch to for search value and print its value.