​Structure of the ORDERITEMS Table

question 125

Multiple Choice

​Structure of the ORDERITEMS table

-Based on the structure of the ORDERITEMS table,which of the following commands will make certain that the ISBN entered actually exists in the ISBN column of the BOOKS table?​

• A) ALTER TABLE orderitems ADD FOREIGN KEY isbn REFERENCES BOOKS TABLE (isbn);
• B) ALTER TABLE orderitems MODIFY FOREIGN KEY (isbn)REFERENCES books(isbn);
• C) ALTER TABLE orderitems CREATE FOREIGN KEY (isbn)REFERENCES books(isbn);
• D) ​ALTER TABLE orderitems ADD FOREIGN KEY (isbn)REFERENCES books(isbn);

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Definitions:

Onlooker Play

This is a stage of play where children watch others play but do not join in, often serving as a way for them to learn about social interactions and the rules of games.

Empathy

The ability to understand and share the feelings of another person, fostering a sense of compassion and connection.

Self-Reliance

Dependence on one's own powers and resources rather than those of others.

Ethnocentrism

The belief in the superiority of one's own ethnic group or culture, often accompanied by a disregard for other cultures.