Multiple Choice
The two important objectives of data management are ________.
A) safe storage and easy retrieval of data
B) to screen and calculate data
C) to minimize the storage capacity and maximize the usage of database
D) to match data and application with the user requirements
Correct Answer:
Verified
Correct Answer:
Verified
Q3: A trigger is executed automatically in response
Q4: Define procedural integrity.
Q5: A view is a virtual table that
Q6: A relational database management system protects data
Q7: Briefly explain first, second, and third normal
Q9: In a relational database, rows have to
Q10: The most important function of persistence objects
Q11: Explain foreign keys ? are they necessary?
Q12: Changes in data management systems bring about
Q13: From an object-oriented viewpoint, variables _.<br>A) are