UNION set operator: The UNION set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains unique values. Syntax: QUERY UNION QUERY; Consider two tables: Table creation: CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY); CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE)); Inserting values: INSERT INTO VENDOR VALUES(123); INSERT INTO VENDOR VALUES(124); INSERT INTO VENDOR VALUES(125); INSERT INTO VENDOR VALUES(126); INSERT INTO PRODUCT VALUES('ABC', 125); INSERT INTO PRODUCT VALUES('DEF', 124); INSERT INTO PRODUCT VALUES('GHI', 124); INSERT INTO PRODUCT VALUES('JKL', 123);

Question

Lab 07: Java Graphics (Bonus lab) In this lab, we'll be practicing what we learned about GUIs, and Mouse events. You will need to implement the following: ➤ A GUI with a drawing panel. We can click in this panel, and you will capture those clicks as a Point (see java.awt.Point) in a PointCollection class (you need to build this). о The points need to be represented by circles. Below the drawing panel, you will need 5 buttons: о An input button to register your mouse to the drawing panel. ○ о о A show button to paint the points in your collection on the drawing panel. A button to shift all the points to the left by 50 pixels. The x position of the points is not allowed to go below zero. Another button to shift all the points to the right 50 pixels. The x position of the points cannot go further than the You can implement this GUI in any way you choose. I suggest using the BorderLayout for a panel containing the buttons, and a GridLayout to hold the drawing panel and button panels.…

Answer 1

Question

Chapter 7, Problem 23RQ

(a)

Program Plan Intro

UNION set operator:

The UNION set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains unique values.

Syntax: QUERY UNION QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(b)

Program Plan Intro

UNION ALL set operator:

The UNION ALL set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains duplicate values.

Syntax: QUERY UNION ALL QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(c)

Program Plan Intro

INTERSECT set operator:

The INTERSECT set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that are common in both the tables.

Syntax: QUERY INTERSECT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(d)

Program Plan Intro

EXCEPT/ MINUS set operator:

The MINUS set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that appear in the first table but not in the second table. The word “EXCEPT” can also be used in the place of “MINUS”.

Syntax: QUERY EXCEPT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

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Lab 07: Java Graphics (Bonus lab) In this lab, we'll be practicing what we learned about GUIs, and Mouse events. You will need to implement the following: ➤ A GUI with a drawing panel. We can click in this panel, and you will capture those clicks as a Point (see java.awt.Point) in a PointCollection class (you need to build this). о The points need to be represented by circles. Below the drawing panel, you will need 5 buttons: о An input button to register your mouse to the drawing panel. ○ о о A show button to paint the points in your collection on the drawing panel. A button to shift all the points to the left by 50 pixels. The x position of the points is not allowed to go below zero. Another button to shift all the points to the right 50 pixels. The x position of the points cannot go further than the You can implement this GUI in any way you choose. I suggest using the BorderLayout for a panel containing the buttons, and a GridLayout to hold the drawing panel and button panels.…

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?

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

Answer 2

Question

Chapter 7, Problem 23RQ

(a)

Program Plan Intro

UNION set operator:

The UNION set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains unique values.

Syntax: QUERY UNION QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(b)

Program Plan Intro

UNION ALL set operator:

The UNION ALL set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains duplicate values.

Syntax: QUERY UNION ALL QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(c)

Program Plan Intro

INTERSECT set operator:

The INTERSECT set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that are common in both the tables.

Syntax: QUERY INTERSECT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(d)

Program Plan Intro

EXCEPT/ MINUS set operator:

The MINUS set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that appear in the first table but not in the second table. The word “EXCEPT” can also be used in the place of “MINUS”.

Syntax: QUERY EXCEPT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

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Answer 3

Question

Chapter 7, Problem 23RQ

(a)

Program Plan Intro

UNION set operator:

The UNION set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains unique values.

Syntax: QUERY UNION QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(b)

Program Plan Intro

UNION ALL set operator:

The UNION ALL set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains duplicate values.

Syntax: QUERY UNION ALL QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(c)

Program Plan Intro

INTERSECT set operator:

The INTERSECT set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that are common in both the tables.

Syntax: QUERY INTERSECT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(d)

Program Plan Intro

EXCEPT/ MINUS set operator:

The MINUS set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that appear in the first table but not in the second table. The word “EXCEPT” can also be used in the place of “MINUS”.

Syntax: QUERY EXCEPT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

Expert Solution & Answer

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Answer 4

Question

Chapter 7, Problem 23RQ

(a)

Program Plan Intro

UNION set operator:

The UNION set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains unique values.

Syntax: QUERY UNION QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(b)

Program Plan Intro

UNION ALL set operator:

The UNION ALL set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains duplicate values.

Syntax: QUERY UNION ALL QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(c)

Program Plan Intro

INTERSECT set operator:

The INTERSECT set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that are common in both the tables.

Syntax: QUERY INTERSECT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(d)

Program Plan Intro

EXCEPT/ MINUS set operator:

The MINUS set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that appear in the first table but not in the second table. The word “EXCEPT” can also be used in the place of “MINUS”.

Syntax: QUERY EXCEPT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

Expert Solution & Answer

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Answer 5

Chapter 7, Problem 23RQ

(a)

Program Plan Intro

UNION set operator:

The UNION set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains unique values.

Syntax: QUERY UNION QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(b)

Program Plan Intro

UNION ALL set operator:

The UNION ALL set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains duplicate values.

Syntax: QUERY UNION ALL QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(c)

Program Plan Intro

INTERSECT set operator:

The INTERSECT set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that are common in both the tables.

Syntax: QUERY INTERSECT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

(d)

Program Plan Intro

EXCEPT/ MINUS set operator:

The MINUS set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that appear in the first table but not in the second table. The word “EXCEPT” can also be used in the place of “MINUS”.

Syntax: QUERY EXCEPT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

Answer 6

Chapter 7, Problem 23RQ

(a)

Program Plan Intro

UNION set operator:

The UNION set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains unique values.

Syntax: QUERY UNION QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

Answer 7

Chapter 7, Problem 23RQ

(a)

Program Plan Intro

UNION set operator:

The UNION set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains unique values.

Syntax: QUERY UNION QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

Answer 8

(b)

Program Plan Intro

UNION ALL set operator:

The UNION ALL set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains duplicate values.

Syntax: QUERY UNION ALL QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

Answer 9

(b)

Program Plan Intro

UNION ALL set operator:

The UNION ALL set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains duplicate values.

Syntax: QUERY UNION ALL QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

Answer 10

(c)

Program Plan Intro

INTERSECT set operator:

The INTERSECT set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that are common in both the tables.

Syntax: QUERY INTERSECT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

Answer 11

(c)

Program Plan Intro

INTERSECT set operator:

The INTERSECT set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that are common in both the tables.

Syntax: QUERY INTERSECT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

Answer 12

(d)

Program Plan Intro

EXCEPT/ MINUS set operator:

The MINUS set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that appear in the first table but not in the second table. The word “EXCEPT” can also be used in the place of “MINUS”.

Syntax: QUERY EXCEPT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

Answer 13

(d)

Program Plan Intro

EXCEPT/ MINUS set operator:

The MINUS set operator is used to combine the output of two or more than two queries and produce a result. The produced result contains the values (rows) that appear in the first table but not in the second table. The word “EXCEPT” can also be used in the place of “MINUS”.

Syntax: QUERY EXCEPT QUERY;

Consider two tables:

Table creation:

CREATE TABLE VENDOR(VEND_CODE INT PRIMARY KEY);

CREATE TABLE PRODUCT(PROD_CODE VARCHAR(5), VEND_CODE INT,FOREIGN KEY (VEND_CODE) REFERENCES VENDOR (VEND_CODE));

Inserting values:

INSERT INTO VENDOR VALUES(123);

INSERT INTO VENDOR VALUES(124);

INSERT INTO VENDOR VALUES(125);

INSERT INTO VENDOR VALUES(126);

INSERT INTO PRODUCT VALUES('ABC', 125);

INSERT INTO PRODUCT VALUES('DEF', 124);

INSERT INTO PRODUCT VALUES('GHI', 124);

INSERT INTO PRODUCT VALUES('JKL', 123);

Answer 14

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Answer 19

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Answer 20

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Answer 21

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Answer 25

Ch. 7 - Prob. 1RQ Ch. 7 - Explain why the following command would create an...Ch. 7 - What is a cross join? Give an example of its...Ch. 7 - What three join types are included in the outer...Ch. 7 - Using tables named T1 and T2, write a query...Ch. 7 - Prob. 6RQ Ch. 7 - Rewrite the following WHERE clause without the use...Ch. 7 - Explain the difference between an ORDER BY clause...Ch. 7 - Explain why the following two commands produce...Ch. 7 - What is the difference between the COUNT aggregate...

Solution Summary: The author describes the UNION set operator, which is used to combine the output of two or more queries and produce a result.

Chapter 7 Solutions