## Advertising

ID | Magazine | Advertising_Revenue | Subscribers | Country
--- | --- | --- | --- | ---
1 | Good Housekeeping | 1000000.0 | 30000 | USA
2 | Time | 800000.0 | 25000 | UK

## Subscriptions

ID | Magazine | Subscription_Fees | NumberOfSubscribers | Duration
--- | --- | --- | --- | ---
1 | Good Housekeeping | 9.99 | 27000 | Monthly
2 | National Geographic | 6.99 | 20000 | Bi-monthly

## Authors

ID | Name | Email | Birthdate | Nationality
--- | --- | --- | --- | ---
1 | John Doe | john@example.com | 1990-01-01 | USA
2 | Jane Smith | jane@example.com | 1985-02-02 | Canada

## Articles

ID | Title | Content | AuthorID | PublishDate
--- | --- | --- | --- | ---
|  |  | (→ Authors.ID) |
1 | The Rise of AI | ... | 1 | 2021-01-01
2 | Climate Change Effects | ... | 2 | 2021-02-02

## Magazines

ID | Name | Category | EditorInChief | PublishingHouse
--- | --- | --- | --- | ---
1 | Good Housekeeping | Lifestyle | Alice Johnson | Hearst Communications
2 | Time | News & Current Affairs | Bob Williams | Time Inc.

## Issues

IssueNumber | MagazineID | ReleaseDate
--- | --- | ---
| (→ Magazines.ID) |
1 | 1 | 2021-01-01
2 | 1 | 2021-02-01