Which of the following is true about an entity class?
A) It is a field or class of fields that uniquely identifies information about an entity.
B) It is an occurrence of an entity class.
C) It represents a group or class of information that sits separately from other information in the database.
D) It typically consists of people,places,or things that you wish to store information about in the database.
Correct Answer:
Verified
Q8: What is an instance?
A)It is a key
Q9: Relational databases are similar to spreadsheets in
Q10: What is a primary key?
A)The password used
Q11: Which of the following is a graphic
Q12: Which of the following defines a database?
A)A
Q14: What is the first step in designing
Q15: _ are statements concerning the information you
Q16: An E-R diagram includes five basic symbols.Which
Q17: An E-R diagram includes five basic symbols.Which
Q18: A supplier is an example of a(n)_.
A)relational
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