Display values from table: The contents from the table can be viewed by using “SELECT” statement which comes under Data Manipulation Language (DML). The Syntax to view the contents using asterisk () is as follows: SELECT FROM table_Name; Selective columns can also be retrieved by replacing all the column(s) names in place of the asterisk symbol. DISTINCT Keyword: “DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column. The syntax for “DISTINCT” keyword is as follows: SELECT DISTINCT column_Name FROM table_Name;

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Answer 1

Question

Chapter 3, Problem 3.20RQ

Program Plan Intro

Display values from table:

The contents from the table can be viewed by using “SELECT” statement which comes under Data Manipulation Language (DML).

The Syntax to view the contents using asterisk () is as follows:

SELECT FROM table_Name;

Selective columns can also be retrieved by replacing all the column(s) names in place of the asterisk symbol.

DISTINCT Keyword:

“DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column.

The syntax for “DISTINCT” keyword is as follows:

SELECT DISTINCT column_Name FROM table_Name;

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Answer 2

Question

Chapter 3, Problem 3.20RQ

Program Plan Intro

Display values from table:

The contents from the table can be viewed by using “SELECT” statement which comes under Data Manipulation Language (DML).

The Syntax to view the contents using asterisk () is as follows:

SELECT FROM table_Name;

Selective columns can also be retrieved by replacing all the column(s) names in place of the asterisk symbol.

DISTINCT Keyword:

“DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column.

The syntax for “DISTINCT” keyword is as follows:

SELECT DISTINCT column_Name FROM table_Name;

Expert Solution & Answer

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Answer 3

Question

Chapter 3, Problem 3.20RQ

Program Plan Intro

Display values from table:

The contents from the table can be viewed by using “SELECT” statement which comes under Data Manipulation Language (DML).

The Syntax to view the contents using asterisk () is as follows:

SELECT FROM table_Name;

Selective columns can also be retrieved by replacing all the column(s) names in place of the asterisk symbol.

DISTINCT Keyword:

“DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column.

The syntax for “DISTINCT” keyword is as follows:

SELECT DISTINCT column_Name FROM table_Name;

Expert Solution & Answer

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Answer 4

Question

Chapter 3, Problem 3.20RQ

Program Plan Intro

Display values from table:

The contents from the table can be viewed by using “SELECT” statement which comes under Data Manipulation Language (DML).

The Syntax to view the contents using asterisk () is as follows:

SELECT FROM table_Name;

Selective columns can also be retrieved by replacing all the column(s) names in place of the asterisk symbol.

DISTINCT Keyword:

“DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column.

The syntax for “DISTINCT” keyword is as follows:

SELECT DISTINCT column_Name FROM table_Name;

Expert Solution & Answer

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Answer 5

Chapter 3, Problem 3.20RQ

Program Plan Intro

Display values from table:

The contents from the table can be viewed by using “SELECT” statement which comes under Data Manipulation Language (DML).

The Syntax to view the contents using asterisk () is as follows:

SELECT FROM table_Name;

Selective columns can also be retrieved by replacing all the column(s) names in place of the asterisk symbol.

DISTINCT Keyword:

“DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column.

The syntax for “DISTINCT” keyword is as follows:

SELECT DISTINCT column_Name FROM table_Name;

Answer 6

Chapter 3, Problem 3.20RQ

Program Plan Intro

Display values from table:

The contents from the table can be viewed by using “SELECT” statement which comes under Data Manipulation Language (DML).

The Syntax to view the contents using asterisk () is as follows:

SELECT FROM table_Name;

Selective columns can also be retrieved by replacing all the column(s) names in place of the asterisk symbol.

DISTINCT Keyword:

“DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column.

The syntax for “DISTINCT” keyword is as follows:

SELECT DISTINCT column_Name FROM table_Name;

Answer 7

Chapter 3, Problem 3.20RQ

Program Plan Intro

Display values from table:

The contents from the table can be viewed by using “SELECT” statement which comes under Data Manipulation Language (DML).

The Syntax to view the contents using asterisk () is as follows:

SELECT FROM table_Name;

Selective columns can also be retrieved by replacing all the column(s) names in place of the asterisk symbol.

DISTINCT Keyword:

“DISTINCT” keyword is used to avoid redundant data (removing duplicate values) from a column.

The syntax for “DISTINCT” keyword is as follows:

SELECT DISTINCT column_Name FROM table_Name;

Answer 8

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Answer 9

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Answer 10

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Answer 11

Ch. 3 - Prob. 3.1RQ Ch. 3 - What is a data sublanguage?Ch. 3 - Prob. 3.3RQ Ch. 3 - Prob. 3.4RQ Ch. 3 - Prob. 3.5RQ Ch. 3 - Why do some standard SQL-92 statements fail to run...Ch. 3 - Use the following tables for your answers to...Ch. 3 - Write an SQL CREATE TABLE statement to create the...Ch. 3 - Prob. 3.9RQ Ch. 3 - Prob. 3.10RQ

Solution Summary: The author explains how the DISTINCT keyword is used to avoid redundant data.

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