Which of the following is used to represent entities in ER models?
A) squares
B) lines
C) circles
D) diamonds
Correct Answer:
Verified
Q45: How many users typically use a personal
Q46: Which of the following characterizes unnormalized data?
A)does
Q47: When a personal database is shared by
Q48: A field is also called a(n)_.
A)row
B)column
C)table
D)item
Q49: The name of the utility which handles
Q51: In a relational database which of the
Q52: A _ key is a field in
Q53: What is the term for reversing changes
Q54: A(n)_ stores all organizational data in a
Q55: Which of the following is the utility
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