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Database - Modeling Data in the Organization

Exercise : Modeling Data in the Organization - General Questions
1.
A binary relationship is which of the following?
A relationship between two attributes
A relationship between two entities
An attribute with two different relationships
An entity with two different relationships
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
If there are two entities with a relationship between them, and one of the entities is completely dependent on the other, then which of the following must exist?
Derived attribute
Optional one cardinality
Multi-valued attribute
Weak entity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
A relationship is which of the following?
A person, place, or thing
Property or characteristic of an entity
Link between entities
Weak entity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Which of the following conditions should exist if you want to convert a relationship to an associative entity?
Some of the relationships for the participating entities are "many".
The resulting associative entity has an independent meaning.
The resulting associative entity has no attributes.
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
A good identifier is which of the following?
One that can change over time
Can be null
One that is unique
Be intelligent
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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