Explain how entities are transformed into tables.

Question

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Answer 1

Textbook Question

Chapter 5, Problem 5.1RQ

Explain how entities are transformed into tables.

Expert Solution & Answer

Explanation of Solution

Entity:

An entity is an object that the user wants to model and store the information about an object.

Entity normally recognizable concepts such as things, place, person, unit or any item relevance to the database.
Employee, Lecturer, Student are some of the examples of entities.

Table:

Table is a collection of associated data, consists of rows and columns.

These data are arranged in a structured layout within a database.

Steps for transforming entities into table:

In the start a table for each entity is created and the name is given to that entity.
Specify the primary key for that table.
Columns has to created in relation for each and every attribute present in the entity.
In the final step, normalize the table.

Example:

Consider the example of transforming entity into table is as follows:

Entity:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 1

Table:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 2

Explanation:

In the above entity diagram, the “Student” is the entity and “number”, “name”, “age”, “sex”, and “course” are the attributes of that entity.

In the above table, “number” acts as the primary key for the “Student” table. Finally normalize the data in the table.

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07:06

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Answer 2

Textbook Question

Chapter 5, Problem 5.1RQ

Explain how entities are transformed into tables.

Expert Solution & Answer

Explanation of Solution

Entity:

An entity is an object that the user wants to model and store the information about an object.

Entity normally recognizable concepts such as things, place, person, unit or any item relevance to the database.
Employee, Lecturer, Student are some of the examples of entities.

Table:

Table is a collection of associated data, consists of rows and columns.

These data are arranged in a structured layout within a database.

Steps for transforming entities into table:

In the start a table for each entity is created and the name is given to that entity.
Specify the primary key for that table.
Columns has to created in relation for each and every attribute present in the entity.
In the final step, normalize the table.

Example:

Consider the example of transforming entity into table is as follows:

Entity:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 1

Table:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 2

Explanation:

In the above entity diagram, the “Student” is the entity and “number”, “name”, “age”, “sex”, and “course” are the attributes of that entity.

In the above table, “number” acts as the primary key for the “Student” table. Finally normalize the data in the table.

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07:06

Answer 3

Textbook Question

Chapter 5, Problem 5.1RQ

Explain how entities are transformed into tables.

Expert Solution & Answer

Explanation of Solution

Entity:

An entity is an object that the user wants to model and store the information about an object.

Entity normally recognizable concepts such as things, place, person, unit or any item relevance to the database.
Employee, Lecturer, Student are some of the examples of entities.

Table:

Table is a collection of associated data, consists of rows and columns.

These data are arranged in a structured layout within a database.

Steps for transforming entities into table:

In the start a table for each entity is created and the name is given to that entity.
Specify the primary key for that table.
Columns has to created in relation for each and every attribute present in the entity.
In the final step, normalize the table.

Example:

Consider the example of transforming entity into table is as follows:

Entity:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 1

Table:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 2

Explanation:

In the above entity diagram, the “Student” is the entity and “number”, “name”, “age”, “sex”, and “course” are the attributes of that entity.

In the above table, “number” acts as the primary key for the “Student” table. Finally normalize the data in the table.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

07:06

Answer 4

Textbook Question

Chapter 5, Problem 5.1RQ

Explain how entities are transformed into tables.

Expert Solution & Answer

Explanation of Solution

Entity:

An entity is an object that the user wants to model and store the information about an object.

Entity normally recognizable concepts such as things, place, person, unit or any item relevance to the database.
Employee, Lecturer, Student are some of the examples of entities.

Table:

Table is a collection of associated data, consists of rows and columns.

These data are arranged in a structured layout within a database.

Steps for transforming entities into table:

In the start a table for each entity is created and the name is given to that entity.
Specify the primary key for that table.
Columns has to created in relation for each and every attribute present in the entity.
In the final step, normalize the table.

Example:

Consider the example of transforming entity into table is as follows:

Entity:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 1

Table:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 2

Explanation:

In the above entity diagram, the “Student” is the entity and “number”, “name”, “age”, “sex”, and “course” are the attributes of that entity.

In the above table, “number” acts as the primary key for the “Student” table. Finally normalize the data in the table.

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07:06

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Explanation of Solution

Entity:

An entity is an object that the user wants to model and store the information about an object.

Entity normally recognizable concepts such as things, place, person, unit or any item relevance to the database.
Employee, Lecturer, Student are some of the examples of entities.

Table:

Table is a collection of associated data, consists of rows and columns.

These data are arranged in a structured layout within a database.

Steps for transforming entities into table:

In the start a table for each entity is created and the name is given to that entity.
Specify the primary key for that table.
Columns has to created in relation for each and every attribute present in the entity.
In the final step, normalize the table.

Example:

Consider the example of transforming entity into table is as follows:

Entity:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 1

Table:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 2

Explanation:

In the above entity diagram, the “Student” is the entity and “number”, “name”, “age”, “sex”, and “course” are the attributes of that entity.

In the above table, “number” acts as the primary key for the “Student” table. Finally normalize the data in the table.

Answer 8

Expert Solution & Answer

Explanation of Solution

Entity:

An entity is an object that the user wants to model and store the information about an object.

Entity normally recognizable concepts such as things, place, person, unit or any item relevance to the database.
Employee, Lecturer, Student are some of the examples of entities.

Table:

Table is a collection of associated data, consists of rows and columns.

These data are arranged in a structured layout within a database.

Steps for transforming entities into table:

In the start a table for each entity is created and the name is given to that entity.
Specify the primary key for that table.
Columns has to created in relation for each and every attribute present in the entity.
In the final step, normalize the table.

Example:

Consider the example of transforming entity into table is as follows:

Entity:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 1

Table:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 2

Explanation:

In the above entity diagram, the “Student” is the entity and “number”, “name”, “age”, “sex”, and “course” are the attributes of that entity.

In the above table, “number” acts as the primary key for the “Student” table. Finally normalize the data in the table.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Entity:

An entity is an object that the user wants to model and store the information about an object.

Entity normally recognizable concepts such as things, place, person, unit or any item relevance to the database.
Employee, Lecturer, Student are some of the examples of entities.

Table:

Table is a collection of associated data, consists of rows and columns.

These data are arranged in a structured layout within a database.

Steps for transforming entities into table:

In the start a table for each entity is created and the name is given to that entity.
Specify the primary key for that table.
Columns has to created in relation for each and every attribute present in the entity.
In the final step, normalize the table.

Example:

Consider the example of transforming entity into table is as follows:

Entity:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 1

Table:

DATABASE CONCEPTS CUSTOM, Chapter 5, Problem 5.1RQ , additional homework tip 2

Explanation:

In the above entity diagram, the “Student” is the entity and “number”, “name”, “age”, “sex”, and “course” are the attributes of that entity.

In the above table, “number” acts as the primary key for the “Student” table. Finally normalize the data in the table.