Which of the following statements is true about duplicate records?
A) All duplicated data is not bad.
B) Even when you practice good database design,you still may end up with duplicated data.
C) If duplicate records are present,two or more records in a table share the same values.
D) all of the above

Question

Quizplus · Accepted Answer

A) All duplicated data is not bad because in some scenarios, it may be necessary or even desired.
B) Even with good database design, duplicates may occur because of different reasons such as application errors, data migrations, etc.
C) Duplicate records mean two or more records in the same table having identical values.

Which of the Following Statements Is True About Duplicate Records