Secure SQL Playground for learning and testing SQL.
- Secure because it runs on your browser, not sending data to server
- Supports SQLite
- Default data for testing
erDiagram
users {
int user_id
string username
string timezone_id
date created_at
}
timezones {
int timezone_id
string abbreviation
float offset_hours
}
articles {
int article_id
string title
string body
int user_id
date created_at
}
comments {
int comment_id
string body
int user_id
int article_id
date created_at
}
users }o--|| timezones : ""
users ||--o{ articles : ""
users ||--o{ comments : ""
articles ||--o{ comments : ""