Answer:
Integrity Constraints
Step-by-step explanation:
The purpose of data integrity rules is to ensure accuracy, consistency and integrity of information, i.e. the quality of information. There are 3 main types of integrity constraints:
- entity integrity
- referential integrity
- domain integrity
A system that cannot ensure the integrity of its data will not be reliable since the information that it stores might differ from the information it receives or processes. Inaccurate information is unless.