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.
Answer:
The airlines base the policy on the assumption that the consumer demand is less elastic as time of departure approaches.
Explanation:
Price Elasticity of Demand refers to price sensitivity; i.e. the rate at price changes with demand.
As the purchase and flight departure gets smaller, the arrival rate of the passengers will definitely change.
When the demand of a commodity is less elastic, then it will cause a large changes in price of that commodity to effect a change in quantity consumed.
Answer:
Because South Africa is in the Southern Hemisphere
Explanation:
Answer:
A
Explanation:
Freedom of speech would be taken away
Answer:
d. the manifest content.
Explanation:
The manifest content
It is the information interpreted which an individual experiences .
Consisting of all the elements , i.e. the actual images , thoughts and the content of the dream , which an individual remembers on waking up .
<u>Though initially the image me appears to be bizarre and senseless , and the individual experience and analysis of the dream can reveal the meaning .</u>