Answer:
c. This would reduce the number of tuples to involve in the join resulting in a more efficient query.
Explanation:
SQL or structured query language is a database querying language used to communicate or interact with databases. A database query could be as simple as returning all the columns from a database table to complex like joining several query results which in turn forms an algebra expression.
Every query statement or expression is executed with time, execution time needs to be minimized for efficiency, so, a well-arranged and reduced joining in the query improves the efficiency of the query.
Answer:
public class Class {
private String name ="";
private int score = 0;
//Method SetName
public void setName(String newName){
name = newName;
}
//Method SetScore
public void setScore(int newScore){
score = newScore;
}
//Method GetName
public String getName() {
return name;
}
//Method GetScore
public int getScore() {
return score;
}
}
Explanation:
- The class called Class is implemented in Java programming language
- It has two fields (instance variables name and score)
- Methods for setting the values of variables (mutator methods) or setters
- Methods for getting the values of the variables (accessor methods) getters
Answer:
what is your question? I can't answer this question haha
Answer:
Section 3 of the Clayton act.
Explanation:
Section 3 of the Clayton act 15 U.S.C.S § 14, makes illegal some kind of distribution practice that facilitates monopolistic arrangement that is section 3 of the Clayton act makes it illegal to enter into tying arrangement, exclusive dealing contracts or requirement contracts if such contracts tends to lessen competition. Where customer is required to pay for an undesired product in order to obtain a desired product.
Answer:
True.
Explanation:
Mainframe computers were developed and introduced in the early 1950s.
Mainframe computers have several CPUs, have very fast processor speeds, can supporting multiple operating systems and have huge amounts of storage capacity. As a result, mainframe computers are mostly or commonly used by large companies, business firms or governmental institutions for performing various complex tasks such as census, financial transactions, e-commerce, data sequencing, enterprise resource planning, etc.
