Question: The purpose of the foreign key is to identify a particular row of ___________.
Answer:
The purpose of the foreign key is to identify a particular row of referenced table, it is generally required that the foreign key is equal to the candidate key in some row of the primary table.
MCQ: The purpose of the foreign key is to identify a particular row of ___________.
Explanation:
The purpose of the foreign key is to identify a particular row of referenced table, it is generally required that the foreign key is equal to the candidate key in some row of the primary table.
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Related Questions
- 1. The foreign key is equal to the candidate key in some row of the primary table, or else has no value (the NULL value.). This rule is called a ______ between the two tables.
- 2. ______ should not contain NULL value in its Attribute value.
- 3. An ER diagram can express the overall __________of a database graphically
- 4. Which of the following structure represent the entity sets?
- 5. Ellipses represent_________
- 6. Diamond Represents______
- 7. Which of the following diagram link attributes to entity sets and entity sets to relationship sets?
- 8. Double ellipses represents_____
- 9. Dashed ellipses represents_____
- 10. Double Line indicate_____
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