Answer:
C is the answer to this question.
Answer:
Credit cards.
Explanation:
When booking a reservation, the most popular type or method of making sure the reservation is guaranteed where booking transactions are charged automatics is the use of credit cards.
Why this is popular is because, the hotel, reserve or suite that is about to be booked will still receive their money even if the person that booked didn't show up.
ANSWER:
1)i. The relationship is a degree of 2 ( i.e Binary). The cardinality of the relationship is One-to-Many.
ii. The model is from piano description to piano manufacturer.
PIANO:
Model name
Model number
Serial number
Manufacturing completion date
MANUFACTURER:
Ebony and Ivory
2)i. The relationship is a degree of 2 ( i.e Binary). The cardinality of the relationship is Many-to-Many.
ii. The model is from piano description to Technician.
PIANO:
Model name
Model number
Serial number
Manufacturing completion date
TECHNICIAN
Employee number
Specialty
3)i. The relationship is a degree of 2 (i.e Binary). The cardinality of the relationship is Many-to-One.
ii. The model is from Technician to Technician
TECHNICIAN:
Lower rank
TECHNICIAN:
Higher rank
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