E-commerce
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
| Question 621 |
Which of the following checks cannot be carried out on the input data to a system ?
| Consistency check | |
| Syntax check | |
| Range check | |
| All the above |
Question 621 Explanation:
→ Consistency check ensures that the entered is logical. For example the delivery date cannot be before the order date.
→ Syntax check cannot be carried out on the input data to a system.
→ Range check does not apply to ISBN, but typically data must lie within maximum and minimum preset values. For example, customer account numbers may be restricted within the values 10000 to 20000, if this is the arbitrary range of the numbers used for the system.
→ Syntax check cannot be carried out on the input data to a system.
→ Range check does not apply to ISBN, but typically data must lie within maximum and minimum preset values. For example, customer account numbers may be restricted within the values 10000 to 20000, if this is the arbitrary range of the numbers used for the system.
Correct Answer: B
Question 621 Explanation:
→ Consistency check ensures that the entered is logical. For example the delivery date cannot be before the order date.
→ Syntax check cannot be carried out on the input data to a system.
→ Range check does not apply to ISBN, but typically data must lie within maximum and minimum preset values. For example, customer account numbers may be restricted within the values 10000 to 20000, if this is the arbitrary range of the numbers used for the system.
→ Syntax check cannot be carried out on the input data to a system.
→ Range check does not apply to ISBN, but typically data must lie within maximum and minimum preset values. For example, customer account numbers may be restricted within the values 10000 to 20000, if this is the arbitrary range of the numbers used for the system.