The entity integrity rule states that a primary key attribute can be null. Thus the statement is false.
<h3>What is an entity?</h3>
An entity is refer to any object that exists in reality. These entities are Independent in nature. Each row in a table should be a distinct entity, which is ensured by entity integrity.
The entity integrity rule states that a primary key attribute can not be null as it shows unique characteristics of an entity.No primary key value can be null according to the entity integrity constraint because it is needed to identify specific attribute values in relation.
Therefore, the statement is False.
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Answer:
C- Water helps trees and plants grow for food, and provides resting places in the desert.
Explanation:
Merchants and traders who travel along desert routes must stop at oases to replenish food and water supplies. This means that whoever controls an oasis also controls the trade along the route—making oases desirable to political, economic, and military leaders.
Mr. Dolphus Raymond is known as the town drunk, because he always carries his drink in a brown paper bag, and tends to sway a bit in his walk. Mr. Raymond is also married to a black woman and has mixed children. When running from the courthouse, Dill and Scout run into Mr. Raymond and he offers Dill a sip of his drink. Scout is wary, but Mr. Raymond promises Dill it will make him feel better. Dill takes a sip and discovers Mr. Raymond is hiding a bottle of Coca-Cola in his infamous paper bag. Scout asks why he does such a thing, and Mr. Raymond explains he feels he has to give the population some reason for his odd behavior (being friendly toward black people). Mr. Raymond believes it's easier for people to handle strangeness when they have a reason to explain it. Thus, he pretends to be a drunkard.
Climatology is the branch of scientists
Answer:
from being on the socail media too much and then they start to believe in that kind of stuff
Explanation:
