DISTINCT Keyword: “DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column. The syntax for “DISTINCT” keyword is as follows: Syntax: SELECT DISTINCT column_Name FROM table_Name; “NOT IN” Keyword: “NOT IN” keyword retrieve the elements of first table and the contents that are not matched in the second table.

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Answer 1

Question

Chapter 7, Problem 40P

Program Plan Intro

DISTINCT Keyword: “DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column. The syntax for “DISTINCT” keyword is as follows:

Syntax:

SELECT DISTINCT column_Name FROM table_Name;

“NOT IN” Keyword: “NOT IN” keyword retrieve the elements of first table and the contents that are not matched in the second table.

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Answer 2

Question

Chapter 7, Problem 40P

Program Plan Intro

DISTINCT Keyword: “DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column. The syntax for “DISTINCT” keyword is as follows:

Syntax:

SELECT DISTINCT column_Name FROM table_Name;

“NOT IN” Keyword: “NOT IN” keyword retrieve the elements of first table and the contents that are not matched in the second table.

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Answer 3

Question

Chapter 7, Problem 40P

Program Plan Intro

DISTINCT Keyword: “DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column. The syntax for “DISTINCT” keyword is as follows:

Syntax:

SELECT DISTINCT column_Name FROM table_Name;

“NOT IN” Keyword: “NOT IN” keyword retrieve the elements of first table and the contents that are not matched in the second table.

Expert Solution & Answer

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Answer 4

Question

Chapter 7, Problem 40P

Program Plan Intro

DISTINCT Keyword: “DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column. The syntax for “DISTINCT” keyword is as follows:

Syntax:

SELECT DISTINCT column_Name FROM table_Name;

“NOT IN” Keyword: “NOT IN” keyword retrieve the elements of first table and the contents that are not matched in the second table.

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Answer 5

Chapter 7, Problem 40P

Program Plan Intro

DISTINCT Keyword: “DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column. The syntax for “DISTINCT” keyword is as follows:

Syntax:

SELECT DISTINCT column_Name FROM table_Name;

“NOT IN” Keyword: “NOT IN” keyword retrieve the elements of first table and the contents that are not matched in the second table.

Answer 6

Chapter 7, Problem 40P

Program Plan Intro

DISTINCT Keyword: “DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column. The syntax for “DISTINCT” keyword is as follows:

Syntax:

SELECT DISTINCT column_Name FROM table_Name;

“NOT IN” Keyword: “NOT IN” keyword retrieve the elements of first table and the contents that are not matched in the second table.

Answer 7

Chapter 7, Problem 40P

Program Plan Intro

DISTINCT Keyword: “DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column. The syntax for “DISTINCT” keyword is as follows:

Syntax:

SELECT DISTINCT column_Name FROM table_Name;

“NOT IN” Keyword: “NOT IN” keyword retrieve the elements of first table and the contents that are not matched in the second table.

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 7 - Prob. 1RQ Ch. 7 - Explain why the following command would create an...Ch. 7 - Prob. 3RQ Ch. 7 - Explain why it might be more appropriate to...Ch. 7 - What is the difference between a column constraint...Ch. 7 - What are referential constraint actions?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 explains that DISTINCT keyword is used to avoid redundant data (removing duplicate values) from a column. SQL code retrieves customer code and customer balance of customers who did not make purchases.

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Chapter 7 Solutions