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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Write a FancyCar class to support basic operations such as drive, add gas, honk horn, and start engine. FancyCar.java is provided with method stubs. Follow each step to gradually complete all methods. Note: This program is designed for incremental development. Complete each step and submit for grading before starting the next step. Only a portion of tests pass after each step but confirm progress. The main() method includes basic method calls. Add statements in main() as methods are completed to support development mode testing. Step 0. Declare private fields for miles driven as shown on the odometer (int), gallons of gas in tank (double), miles per gallon or MPG (double), driving capacity (double), and car model (String). Note the provided final variable indicates the gas tank capacity of 14.0 gallons. Step 1 (2 pts). 1) Complete the default constructor by initializing the odometer to five miles, tank is full of gas, miles per gallon is 24.0, and the model is "Old Clunker". 2)…

Find the error: daily_sales = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0] days_of_week = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'] for i in range(7): daily_sales[i] = float(input('Enter the sales for ' \ + day_of_week[i] + ': ')

Find the error: daily_sales = [0.0, 0,0, 0.0, 0.0, 0.0, 0.0, 0.0] days_of_week = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'] for i in range(7): daily_sales[i] = float(input('Enter the sales for ' \ + days_of_week[i] + ': ')

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.

Expert Solution & Answer

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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.

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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.

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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