Foreign Key: A foreign key is a method to apply referential integrity within user Oracle database . It is a key used to connect two tables together. It is a field in one table that refers to the primary key in alternative table. It means a column in one table whose values equal the primary key in another table.

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Answer 1

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Chapter 7, Problem 21RQ

Program Plan Intro

Foreign Key:

A foreign key is a method to apply referential integrity within user Oracle database.

It is a key used to connect two tables together.

It is a field in one table that refers to the primary key in alternative table.

It means a column in one table whose values equal the primary key in another table.

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Answer 2

Question

Chapter 7, Problem 21RQ

Program Plan Intro

Foreign Key:

A foreign key is a method to apply referential integrity within user Oracle database.

It is a key used to connect two tables together.

It is a field in one table that refers to the primary key in alternative table.

It means a column in one table whose values equal the primary key in another table.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 7, Problem 21RQ

Program Plan Intro

Foreign Key:

A foreign key is a method to apply referential integrity within user Oracle database.

It is a key used to connect two tables together.

It is a field in one table that refers to the primary key in alternative table.

It means a column in one table whose values equal the primary key in another table.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 7, Problem 21RQ

Program Plan Intro

Foreign Key:

A foreign key is a method to apply referential integrity within user Oracle database.

It is a key used to connect two tables together.

It is a field in one table that refers to the primary key in alternative table.

It means a column in one table whose values equal the primary key in another table.

Expert Solution & Answer

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Check out a sample textbook solution

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Answer 5

Chapter 7, Problem 21RQ

Program Plan Intro

Foreign Key:

A foreign key is a method to apply referential integrity within user Oracle database.

It is a key used to connect two tables together.

It is a field in one table that refers to the primary key in alternative table.

It means a column in one table whose values equal the primary key in another table.

Answer 6

Chapter 7, Problem 21RQ

Program Plan Intro

Foreign Key:

A foreign key is a method to apply referential integrity within user Oracle database.

It is a key used to connect two tables together.

It is a field in one table that refers to the primary key in alternative table.

It means a column in one table whose values equal the primary key in another table.

Answer 7

Chapter 7, Problem 21RQ

Program Plan Intro

Foreign Key:

A foreign key is a method to apply referential integrity within user Oracle database.

It is a key used to connect two tables together.

It is a field in one table that refers to the primary key in alternative table.

It means a column in one table whose values equal the primary key in another table.

Answer 8

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Answer 9

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Answer 11

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Solution Summary: The author describes the syntax for specifying a foreign key in Oracle's "ALTER TABLE" command.

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