This is a reference English translation. The Japanese version is authoritative; if there is any discrepancy, the Japanese version prevails.
| Seller | The operator of SQL Quiz Book (an individual) |
|---|---|
| Operations manager | Disclosed without delay upon request (please request via the email address below) |
| Address | Disclosed without delay upon request |
| Phone number | Disclosed without delay upon request (inquiries are handled by email) |
| hkdocs.info@gmail.com | |
| Sales URL | https://sqlquizbook.com/ |
| Price | The price shown on each product’s purchase page (consumption tax included). You are charged in US dollars. If your card is issued in another currency, your bank’s exchange rate and any foreign transaction fee apply. |
| Additional fees | Internet connection charges required to use the service (borne by the customer) |
| Payment method | Credit card and others (processed by Stripe; available payment methods are shown on the checkout screen) |
| Payment timing | At the time the purchase is completed |
| Delivery timing | Available immediately after payment (viewing access is granted to your account) |
| Returns / cancellation | Because of the nature of digital content, refunds and cancellations after payment are generally not accepted. If the content has a serious defect and cannot be accessed, please contact the email address above and we will respond on a case-by-case basis. |
| System requirements | A modern browser with JavaScript enabled |