Database : Write the ODL declaration of the class of books for which the attribu

Question

Database :

Write the ODL declaration of the class of books for which the attributes (that all objects of this class will have) are described as below:
1-title is an attribute of type string and it represents the title of the book.
2- year is an attribute of type integer and it represents the year in which the book was first published.
3- length is an attribute of type integer and it represents the number of pages in the book
4- bindType is an attribute which tells whether the book was first published aspa-perback or hardcover. Its type is an enumeration and the name of the enumeration is Binding Values of

5-enumeration attributes are chosen from a list of literals, pa-perback and hardcover.

Explanation / Answer

Below is the Declaration of books ODL (Object Definition Language).

Interface books {

attribute string title;

attribute integer year;

attribute integer length;

attribute enum BindType {pa-perback, hardcover …} bindType

}

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