Multiple Choice
Which of the following defines a database?
A) A software application that works primarily with numbers and is commonly used to execute calculations
B) A collection of information that is organized and accessed according to the logical structure of that information
C) A three-dimensional table of information
D) A concept in which you wish to store information and that you can identify with a unique key
Correct Answer:
Verified
Correct Answer:
Verified
Q12: In an E-R diagram,crow's foot denotes a
Q13: A relational database uses a series of
Q14: When creating a database you don't need
Q15: If you find a many-to-many relationship,which of
Q16: The numerical nature of the E-R relationship
Q18: An E-R diagram includes five basic symbols.Which
Q19: Within an entity-relationship diagram,_ is used to
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