It is very difficult and expensive to go back and change the ___________ once the database application is finished.
Correct Answer:
Verified
Q40: A(n) _ data model captures the entities
Q41: Removing data that is no longer wanted
Q42: _level DBMS like DB2 are designed for
Q43: If the same data element is stored
Q44: _describes the structure of the database.
Q46: Database practitioners classify tables into various _
Q47: The_ is responsible for database backup.
A) CEO
B)
Q48: A _is in charge of implementing, maintaining,
Q49: Constraints on the number of entities are
Q50: Keys of a different table than the
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