I want create a book management system, the system have book management, user management, user rights and book borrowing. can help design db model？
user
yes, i can help you design the database model for your book management system. here is an example of a simple database table structure for a book management system:

**books table**

| field name | data type | description |
| --- | --- | --- |
| id | string (primary key) | unique id for each book. |
| title | string | name of the book. |
| author | string | author of the book. |
| genre | string | genre of the book. |
| language | string | language the book is written in. |
| publication_year | integer | year the book was published. |
| borrow_count | integer | number of times the book has been borrowed. |

**users table**

| field name | data type | description |
| --- | --- | --- |
| id | string (primary key) | unique id for each user. |
| name | string | full name of the user. |
| email | string | user's email address. |
| password | string | user's password. |

**user\_roles table**

| field name | data type | description |
| --- | --- | --- |
| id | string (primary key) | unique id for each role. |
| role\_name | string | name of the role. |

**user\_book\_borrows table**

| field name | data type | description |
| --- | --- | --- |
| id | string (primary key) | unique id for each book borrow. |
| user\_id | string | id of the user who borrowed the book. |
| book\_id | string | id of the book that was borrowed. |
| borrow\_date | date | date the book was borrowed. |
| return\_date | date (optional) | date the book was returned. |
assistant
Yes, I can help you design the database model for your book management system. Here is an example of a simple database table structure for a book management system:

**Books Table**

| Field Name | Data Type | Description |
| --- | --- | --- |
| id | String (Primary Key) | Unique ID for each book. |
| title | String | Name of the book. |
| author | String | Author of the book. |
| genre | String | Genre of the book. |
| language | String | Language the book is written in. |
| publication_year | Integer | Year the book was published. |
| borrow_count | Integer | Number of times the book has been borrowed. |

**Users Table**

| Field Name | Data Type | Description |
| --- | --- | --- |
| id | String (Primary Key) | Unique ID for each user. |
| name | String | Full name of the user. |
| email | String | User's email address. |
| password | String | User's password. |

**User\_Roles Table**

| Field Name | Data Type | Description |
| --- | --- | --- |
| id | String (Primary Key) | Unique ID for each role. |
| role\_name | String | Name of the role. |

**User\_Book\_Borrows Table**

| Field Name | Data Type | Description |
| --- | --- | --- |
| id | String (Primary Key) | Unique ID for each book borrow. |
| user\_id | String | ID of the user who borrowed the book. |
| book\_id | String | ID of the book that was borrowed. |
| borrow\_date | Date | Date the book was borrowed. |
| return\_date | Date (optional) | Date the book was returned. |
assistant