To enforce referential integrity, the database can return an error instead of doing the requested action or do the requested action and do the related changes to the related tables
Thus the answer is either a or b.
Explanation:
When the given data base in a table is valid and if it is consistent then it is called as referential integrity and it also refers to the consistency within the relationship. This type of database is much important because it will keep us introducing to the errors in the databases and it also checks if the reference from one table is equal to the other table.
The main function is to prevent the users from entering the wrong and inconsistent data. So in referential integrity the database will return the error instead of doing the required action or it can do the related changes to the related tables.
<span>The scenario in which Hannah who is a strict parent, and does not recall that she herself got drunk at her senior prom, which does not "fit" with the way she currently views herself is an example of </span>the Pollyanna principle.
The Pollyanna principle is a psychological tendency for people to remember pleasant items more accurately than unpleasant. It is <span>also called the positivity bias.</span>
Use of trams during the second Industrial Revolution changed the standard of living by allowing wealthy people to move away from city centers and commute when they needed to.
Answer:
The sound of thunder up above, crashing repeatedly, makes the natural landscape beautiful.
Explanation:
Explanation:
development of agriculture in Nepal
