The schools database might contain errors. Describe how two different types of errors could occur.
Processing errors and Transmission errors.
Describe how errors in a database could be prevented.
Validation and Verification.
Define the term verification.
Verification is the process of checking that data has been correctly copied from one media to another.
Define the term Validation.
Validation is the process of ensuring data is valid and legal.
Describe the type of validation check used in a date field.
Format Check