“ORDER BY” Clause: User can sort the data in specific order using “ORDER BY” clause. The column on which to sort data is called a sort key or a simple key. To sort the output, use an “ORDER BY” clause followed by the sort key. If the user does not specify a sort order, the output displayed in default order that is ascending order. Example: The example for “ORDER BY” clause is given below: SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER BY STUDENT_CREDIT; Explanation: The above query is used to list student ID, name and credit for each student with ascending order of student credit using an “ORDER BY” clause. From the given query, the sort key is “STUDENT_CREDIT”. So, the rows are sorted in ascending order by “STUDENT_CREDIT”.

Question

If a UDP datagram is sent from host A, port P to host B, port Q, but at host B there is no process listening to port Q, then B is to send back an ICMP Port Unreachable message to A. Like all ICMP messages, this is addressed to A as a whole, not to port P on A. (a) Give an example of when an application might want to receive such ICMP messages. (b) Find out what an application has to do, on the operating system of your choice, to receive such messages. (c) Why might it not be a good idea to send such messages directly back to the originating port P on A?

Answer 1

Question

Chapter 4, Problem 10RQ

Program Plan Intro

“ORDER BY” Clause:

User can sort the data in specific order using “ORDER BY” clause.

The column on which to sort data is called a sort key or a simple key.

To sort the output, use an “ORDER BY” clause followed by the sort key.

If the user does not specify a sort order, the output displayed in default order that is ascending order.

Example:

The example for “ORDER BY” clause is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER BY STUDENT_CREDIT;

Explanation:

The above query is used to list student ID, name and credit for each student with ascending order of student credit using an “ORDER BY” clause.

From the given query, the sort key is “STUDENT_CREDIT”. So, the rows are sorted in ascending order by “STUDENT_CREDIT”.

Explanation of Solution

Most important key:

The more important column is called the most important key.

It is also called as the major sort key or the primary sort key.

Example:

The example for most important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER B...

Explanation of Solution

Less important key:

The less important column is called the most important key.

It is also called as the minor sort key or the secondary sort key.

Example:

The example for less important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER...

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Discuss how business intelligence and data visualization work together to help decision-makers and data users. Provide 2 specific use cases.

This week we will be building a regression model conceptually for our discussion assignment. Consider your current workplace (or previous/future workplace if not currently working) and answer the following set of questions. Expand where needed to help others understand your thinking: What is the most important factor (variable) that needs to be predicted accurately at work? Why? Justify its selection as your dependent variable.

Answer 2

Question

Chapter 4, Problem 10RQ

Program Plan Intro

“ORDER BY” Clause:

User can sort the data in specific order using “ORDER BY” clause.

The column on which to sort data is called a sort key or a simple key.

To sort the output, use an “ORDER BY” clause followed by the sort key.

If the user does not specify a sort order, the output displayed in default order that is ascending order.

Example:

The example for “ORDER BY” clause is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER BY STUDENT_CREDIT;

Explanation:

The above query is used to list student ID, name and credit for each student with ascending order of student credit using an “ORDER BY” clause.

From the given query, the sort key is “STUDENT_CREDIT”. So, the rows are sorted in ascending order by “STUDENT_CREDIT”.

Explanation of Solution

Most important key:

The more important column is called the most important key.

It is also called as the major sort key or the primary sort key.

Example:

The example for most important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER B...

Explanation of Solution

Less important key:

The less important column is called the most important key.

It is also called as the minor sort key or the secondary sort key.

Example:

The example for less important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER...

Expert Solution & Answer

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Answer 3

Question

Chapter 4, Problem 10RQ

Program Plan Intro

“ORDER BY” Clause:

User can sort the data in specific order using “ORDER BY” clause.

The column on which to sort data is called a sort key or a simple key.

To sort the output, use an “ORDER BY” clause followed by the sort key.

If the user does not specify a sort order, the output displayed in default order that is ascending order.

Example:

The example for “ORDER BY” clause is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER BY STUDENT_CREDIT;

Explanation:

The above query is used to list student ID, name and credit for each student with ascending order of student credit using an “ORDER BY” clause.

From the given query, the sort key is “STUDENT_CREDIT”. So, the rows are sorted in ascending order by “STUDENT_CREDIT”.

Explanation of Solution

Most important key:

The more important column is called the most important key.

It is also called as the major sort key or the primary sort key.

Example:

The example for most important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER B...

Explanation of Solution

Less important key:

The less important column is called the most important key.

It is also called as the minor sort key or the secondary sort key.

Example:

The example for less important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER...

Expert Solution & Answer

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Answer 4

Question

Chapter 4, Problem 10RQ

Program Plan Intro

“ORDER BY” Clause:

User can sort the data in specific order using “ORDER BY” clause.

The column on which to sort data is called a sort key or a simple key.

To sort the output, use an “ORDER BY” clause followed by the sort key.

If the user does not specify a sort order, the output displayed in default order that is ascending order.

Example:

The example for “ORDER BY” clause is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER BY STUDENT_CREDIT;

Explanation:

The above query is used to list student ID, name and credit for each student with ascending order of student credit using an “ORDER BY” clause.

From the given query, the sort key is “STUDENT_CREDIT”. So, the rows are sorted in ascending order by “STUDENT_CREDIT”.

Explanation of Solution

Most important key:

The more important column is called the most important key.

It is also called as the major sort key or the primary sort key.

Example:

The example for most important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER B...

Explanation of Solution

Less important key:

The less important column is called the most important key.

It is also called as the minor sort key or the secondary sort key.

Example:

The example for less important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER...

Expert Solution & Answer

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See solution

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Answer 5

Chapter 4, Problem 10RQ

Program Plan Intro

“ORDER BY” Clause:

User can sort the data in specific order using “ORDER BY” clause.

The column on which to sort data is called a sort key or a simple key.

To sort the output, use an “ORDER BY” clause followed by the sort key.

If the user does not specify a sort order, the output displayed in default order that is ascending order.

Example:

The example for “ORDER BY” clause is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER BY STUDENT_CREDIT;

Explanation:

The above query is used to list student ID, name and credit for each student with ascending order of student credit using an “ORDER BY” clause.

From the given query, the sort key is “STUDENT_CREDIT”. So, the rows are sorted in ascending order by “STUDENT_CREDIT”.

Explanation of Solution

Most important key:

The more important column is called the most important key.

It is also called as the major sort key or the primary sort key.

Example:

The example for most important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER B...

Explanation of Solution

Less important key:

The less important column is called the most important key.

It is also called as the minor sort key or the secondary sort key.

Example:

The example for less important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER...

Answer 6

Chapter 4, Problem 10RQ

Program Plan Intro

“ORDER BY” Clause:

User can sort the data in specific order using “ORDER BY” clause.

The column on which to sort data is called a sort key or a simple key.

To sort the output, use an “ORDER BY” clause followed by the sort key.

If the user does not specify a sort order, the output displayed in default order that is ascending order.

Example:

The example for “ORDER BY” clause is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER BY STUDENT_CREDIT;

Explanation:

The above query is used to list student ID, name and credit for each student with ascending order of student credit using an “ORDER BY” clause.

From the given query, the sort key is “STUDENT_CREDIT”. So, the rows are sorted in ascending order by “STUDENT_CREDIT”.

Answer 7

Chapter 4, Problem 10RQ

Program Plan Intro

“ORDER BY” Clause:

User can sort the data in specific order using “ORDER BY” clause.

The column on which to sort data is called a sort key or a simple key.

To sort the output, use an “ORDER BY” clause followed by the sort key.

If the user does not specify a sort order, the output displayed in default order that is ascending order.

Example:

The example for “ORDER BY” clause is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER BY STUDENT_CREDIT;

Explanation:

The above query is used to list student ID, name and credit for each student with ascending order of student credit using an “ORDER BY” clause.

From the given query, the sort key is “STUDENT_CREDIT”. So, the rows are sorted in ascending order by “STUDENT_CREDIT”.

Answer 8

Explanation of Solution

Most important key:

The more important column is called the most important key.

It is also called as the major sort key or the primary sort key.

Example:

The example for most important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER B...

Answer 9

Explanation of Solution

Most important key:

The more important column is called the most important key.

It is also called as the major sort key or the primary sort key.

Example:

The example for most important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER B...

Answer 10

Explanation of Solution

Less important key:

The less important column is called the most important key.

It is also called as the minor sort key or the secondary sort key.

Example:

The example for less important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER...

Answer 11

Explanation of Solution

Less important key:

The less important column is called the most important key.

It is also called as the minor sort key or the secondary sort key.

Example:

The example for less important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER...

Answer 12

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Ch. 4 - Prob. 1RQ Ch. 4 - Prob. 2RQ Ch. 4 - Prob. 3RQ Ch. 4 - Prob. 4RQ Ch. 4 - Prob. 5RQ Ch. 4 - In which clause would you use a wildcard in a...Ch. 4 - Prob. 7RQ Ch. 4 - How do you determine whether a column contains one...Ch. 4 - Prob. 9RQ Ch. 4 - Prob. 10RQ

Solution Summary: The author explains how the user can sort the data in specific order using the “ORDER BY” clause.

Concept explainers

Explanation of Solution

Most important key:

The more important column is called the most important key.

It is also called as the major sort key or the primary sort key.

Example:

The example for most important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER B...

Explanation of Solution

Less important key:

The less important column is called the most important key.

It is also called as the minor sort key or the secondary sort key.

Example:

The example for less important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER...

Chapter 4 Solutions

Solution Summary: The author explains how the user can sort the data in specific order using the “ORDER BY” clause.

Concept explainers

Explanation of Solution

Most important key: The more important column is called the most important key. It is also called as the major sort key or the primary sort key. Example: The example for most important key is given below: SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER B...

Explanation of Solution

Less important key: The less important column is called the most important key. It is also called as the minor sort key or the secondary sort key. Example: The example for less important key is given below: SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER...

Chapter 4 Solutions

Most important key:

The more important column is called the most important key.

It is also called as the major sort key or the primary sort key.

Example:

The example for most important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER B...

Less important key:

The less important column is called the most important key.

It is also called as the minor sort key or the secondary sort key.

Example:

The example for less important key is given below:

SELECT STUDENT_ID, STUDENT_NAME, STUDENT_CREDIT FROM STUDENT ORDER...