Contents stored in record: Record is a set of fields that has information of at least one variable or item...

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Answer 1

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Chapter 11, Problem 3SG

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Contents stored in record:

Record is a set of fields that has information of at least one variable or item...

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

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Answer 2

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Chapter 11, Problem 3SG

Explanation of Solution

Contents stored in record:

Record is a set of fields that has information of at least one variable or item...

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

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Answer 3

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Chapter 11, Problem 3SG

Explanation of Solution

Contents stored in record:

Record is a set of fields that has information of at least one variable or item...

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 4

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Chapter 11, Problem 3SG

Explanation of Solution

Contents stored in record:

Record is a set of fields that has information of at least one variable or item...

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

Expert Solution & Answer

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See solution

Answer 5

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Answer 6

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Answer 7

Chapter 11, Problem 3SG

Explanation of Solution

Contents stored in record:

Record is a set of fields that has information of at least one variable or item...

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

Answer 8

Chapter 11, Problem 3SG

Explanation of Solution

Contents stored in record:

Record is a set of fields that has information of at least one variable or item...

Answer 9

Chapter 11, Problem 3SG

Explanation of Solution

Contents stored in record:

Record is a set of fields that has information of at least one variable or item...

Answer 10

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

Answer 11

Program Plan Intro

Primary Key:

A Primary Key in a database table is a field in the table that uniquely identifies every row or record present in the database table.

Example:

Students in Universities are assigned a unique registration number. Therefore, in a STUDENT database table, the attribute “reg_no” acts as primary key.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 11 - Define the terms, database and database software....Ch. 11 - Prob. 2SG Ch. 11 - Prob. 3SG Ch. 11 - Prob. 4SG Ch. 11 - Prob. 5SG Ch. 11 - Explain how a DBMS might manage deleted or...Ch. 11 - Prob. 7SG Ch. 11 - Prob. 8SG Ch. 11 - Prob. 9SG Ch. 11 - Prob. 10SG

Contents stored in record: Record is a set of fields that has information of at least one variable or item...

Solution Summary: The author explains the importance of a primary key in relational databases.

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Explanation of Solution

Contents stored in record:

Record is a set of fields that has information of at least one variable or item...

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Chapter 11 Solutions