WHERE Statement: “WHERE” statement is used limit the number of rows. For example:Consider a table “FTable” that has two columns named “FruitName” and “Color”. “WHERE” clause is used when there is a need to display the entire FruitName whose color is Red. SELECT * FROM FTable WHERE color = 'red'; When the above statement is executed, red colored fruits get displayed. “EXISTS” operator: In SQL, “EXISTS” operator is used to test whether the record is present in the subquery. This “EXISTS” operator returns “true” if the subquery returns one or more records. Syntax: SELECT column_Name(s) FROM table_Name WHERE EXISTS (SELECT column_Name FROM table_Name WHERE condition);

Question

How is an ADT put together, exactly? Indicate your answer where indicated.

Answer 1

Question

Chapter 5, Problem 5TD

Program Plan Intro

WHERE Statement:

“WHERE” statement is used limit the number of rows. For example:Consider a table “FTable” that has two columns named “FruitName” and “Color”. “WHERE” clause is used when there is a need to display the entire FruitName whose color is Red.

SELECT * FROM FTable WHERE color = 'red';

When the above statement is executed, red colored fruits get displayed.

“EXISTS” operator: In SQL, “EXISTS” operator is used to test whether the record is present in the subquery. This “EXISTS” operator returns “true” if the subquery returns one or more records.

Syntax:

SELECT column_Name(s) FROM table_Name WHERE EXISTS (SELECT column_Name FROM table_Name WHERE condition);

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Answer 2

Question

Chapter 5, Problem 5TD

Program Plan Intro

WHERE Statement:

“WHERE” statement is used limit the number of rows. For example:Consider a table “FTable” that has two columns named “FruitName” and “Color”. “WHERE” clause is used when there is a need to display the entire FruitName whose color is Red.

SELECT * FROM FTable WHERE color = 'red';

When the above statement is executed, red colored fruits get displayed.

“EXISTS” operator: In SQL, “EXISTS” operator is used to test whether the record is present in the subquery. This “EXISTS” operator returns “true” if the subquery returns one or more records.

Syntax:

SELECT column_Name(s) FROM table_Name WHERE EXISTS (SELECT column_Name FROM table_Name WHERE condition);

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Answer 3

Question

Chapter 5, Problem 5TD

Program Plan Intro

WHERE Statement:

“WHERE” statement is used limit the number of rows. For example:Consider a table “FTable” that has two columns named “FruitName” and “Color”. “WHERE” clause is used when there is a need to display the entire FruitName whose color is Red.

SELECT * FROM FTable WHERE color = 'red';

When the above statement is executed, red colored fruits get displayed.

“EXISTS” operator: In SQL, “EXISTS” operator is used to test whether the record is present in the subquery. This “EXISTS” operator returns “true” if the subquery returns one or more records.

Syntax:

SELECT column_Name(s) FROM table_Name WHERE EXISTS (SELECT column_Name FROM table_Name WHERE condition);

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Answer 4

Question

Chapter 5, Problem 5TD

Program Plan Intro

WHERE Statement:

“WHERE” statement is used limit the number of rows. For example:Consider a table “FTable” that has two columns named “FruitName” and “Color”. “WHERE” clause is used when there is a need to display the entire FruitName whose color is Red.

SELECT * FROM FTable WHERE color = 'red';

When the above statement is executed, red colored fruits get displayed.

“EXISTS” operator: In SQL, “EXISTS” operator is used to test whether the record is present in the subquery. This “EXISTS” operator returns “true” if the subquery returns one or more records.

Syntax:

SELECT column_Name(s) FROM table_Name WHERE EXISTS (SELECT column_Name FROM table_Name WHERE condition);

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Answer 5

Chapter 5, Problem 5TD

Program Plan Intro

WHERE Statement:

“WHERE” statement is used limit the number of rows. For example:Consider a table “FTable” that has two columns named “FruitName” and “Color”. “WHERE” clause is used when there is a need to display the entire FruitName whose color is Red.

SELECT * FROM FTable WHERE color = 'red';

When the above statement is executed, red colored fruits get displayed.

“EXISTS” operator: In SQL, “EXISTS” operator is used to test whether the record is present in the subquery. This “EXISTS” operator returns “true” if the subquery returns one or more records.

Syntax:

SELECT column_Name(s) FROM table_Name WHERE EXISTS (SELECT column_Name FROM table_Name WHERE condition);

Answer 6

Chapter 5, Problem 5TD

Program Plan Intro

WHERE Statement:

“WHERE” statement is used limit the number of rows. For example:Consider a table “FTable” that has two columns named “FruitName” and “Color”. “WHERE” clause is used when there is a need to display the entire FruitName whose color is Red.

SELECT * FROM FTable WHERE color = 'red';

When the above statement is executed, red colored fruits get displayed.

“EXISTS” operator: In SQL, “EXISTS” operator is used to test whether the record is present in the subquery. This “EXISTS” operator returns “true” if the subquery returns one or more records.

Syntax:

SELECT column_Name(s) FROM table_Name WHERE EXISTS (SELECT column_Name FROM table_Name WHERE condition);

Answer 7

Chapter 5, Problem 5TD

Program Plan Intro

WHERE Statement:

“WHERE” statement is used limit the number of rows. For example:Consider a table “FTable” that has two columns named “FruitName” and “Color”. “WHERE” clause is used when there is a need to display the entire FruitName whose color is Red.

SELECT * FROM FTable WHERE color = 'red';

When the above statement is executed, red colored fruits get displayed.

“EXISTS” operator: In SQL, “EXISTS” operator is used to test whether the record is present in the subquery. This “EXISTS” operator returns “true” if the subquery returns one or more records.

Syntax:

SELECT column_Name(s) FROM table_Name WHERE EXISTS (SELECT column_Name FROM table_Name WHERE condition);

Answer 8

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Answer 19

Ch. 5 - Prob. 1RQ Ch. 5 - Prob. 2RQ Ch. 5 - Prob. 3RQ Ch. 5 - Prob. 4RQ Ch. 5 - Prob. 5RQ Ch. 5 - Prob. 6RQ Ch. 5 - Prob. 7RQ Ch. 5 - What does it mean for two tables to be union...Ch. 5 - Prob. 9RQ Ch. 5 - Prob. 10RQ

Solution Summary: The author explains how the "WHERE" statement limits the number of rows in a table. The "EXISTS" operator tests whether the record is present in the subquery.

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