Top Posters
Since Sunday
25
24
20
20
19
18
18
17
17
17
17
17
New Topic  
wrote...
Posts: 93
Rep: 0 0
2 months ago



You are given an E-R diagram with two entities, ORDER and CUSTOMER, as shown above. What does the symbol next to the ORDER entity indicate?

• A maximum cardinality of "zero"

• A maximum cardinality of "one"

• A minimum cardinality of "optional"

• A minimum cardinality of "required"
Source  Download
Database Processing: Fundamentals, Design, and Implementation
Edition: 15th
Authors:
Read 11 times
1 Reply
Replies
Answer verified by a subject expert
wrote...
Posts: 128
2 months ago
Sign in or Sign up in seconds to unlock everything.
A minimum cardinality of "optional"
Related Topics
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers.
Learn More
Improve Grades
Help Others
Save Time
Accessible 24/7
  424 People Browsing
 127 Signed Up Today
Your Opinion
Who's your favorite biologist?
Votes: 37

Related Images
 2138
 149
 82