A) Error correction
B) Backup and recovery
C) Data preparation
D) Data validation
E) (e) None of these
Correct Answer: D
Solution :
When user enter data 11.an application, it is necessary to verify that the data is veiled before the application uses. This is called Data validation. Data validation may require that certain text field-not be zero length, that afield is formatted as a telephone number or other type of well-formed data, or that string not contain any un safe character that. Could be used to compromise the security of a database.
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