solvesql.com

What It Is

solvesql is an online SQL practice platform aimed at learners studying data analysis. Its main tagline is “Anyway, analysis begins with SQL,” and its core goal is to help users improve their SQL skills through a variety of exercises. It is closer to a SQL problem-solving and training platform than a full live-course or recorded-course product.

Core Review Dimensions

In terms of subject coverage, solvesql focuses on SQL and data analysis. It offers features such as “problem sets,” “Playground,” and “badges,” and also showcases the Advent of SQL 2025 challenge. The page also lists questions related to datarian’s SQL data analysis camp, including beginner, practical, and master classes, suggesting that its question bank may be connected to a broader data-analysis training curriculum.

As for the learning format, the captured text does not show any live classes, recorded lessons, or 1v1 tutoring, so it should not be classified as a traditional instructor-led course. Its main learning mode appears to be self-paced problem practice: browsing question lists, bookmarking problems, and continuing challenges that have not yet been solved. Regarding certification, the page only mentions “badges,” but does not clarify whether they are equivalent to formal certificates or can be used for professional credentialing.

Pricing and Language

The page does not disclose pricing, subscription plans, paid entry points, or payment methods, so its cost and payment convenience cannot be assessed. The teaching/interface language is Korean, which makes it relatively friendly for learners in Korea. For Chinese users, however, unfamiliarity with Korean would create a clear barrier to understanding the questions and navigating the platform.

Pros and Cons

Its strengths are a clear positioning and a tight focus on improving SQL skills for data analysis scenarios. Problem sets, challenges, bookmarking, and unsolved-problem management all support sustained practice. Its connection to datarian’s data analysis camp questions also makes it suitable as supplementary course practice. The downsides are limited information disclosure: there is a lack of course syllabi, instructor introductions, certificate details, pricing, and support information. In addition, the Korean-language environment limits usability for international users.

Who It’s For and Access from China

solvesql is suitable for learners who want to improve their SQL skills through practice, beginners in data analysis, and students taking datarian’s SQL data analysis camp. Access from China cannot be determined from the text alone and would require actual network testing; payment methods are also unknown. If you need Chinese- or English-language alternatives, consider LeetCode Database, HackerRank SQL, Mode SQL Tutorial, DataCamp SQL, or the Nowcoder SQL question bank.