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Last Updated: Aug 29, 2026
The information on Sqlism is provided in good faith, but we make no guarantees of any kind about it. Please read this page in full.
All content on Sqlism — including lessons, tutorials, quizzes, challenges, the query playground, interview questions, cheatsheets, and blog articles — is provided "as is," for general informational and educational purposes only. We make every effort to keep it accurate and up to date, but we make no representations or warranties of any kind, express or implied, about its completeness, accuracy, reliability, suitability, or availability.
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Sqlism is a learning platform. Its lessons, practice challenges, and the SQL playground are built to help you understand database concepts and syntax — they are not a substitute for a production-grade database environment, a formal course, or on-the-job experience.
Individual learning outcomes vary based on prior knowledge, effort, and practice. We don't guarantee that using Sqlism will make you proficient in SQL, prepare you for a specific certification, or qualify you for any particular role.
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Always consult a qualified professional before making decisions based on information found on this site.
We take reasonable care to keep our tutorials, quiz answers, interview questions, and downloadable cheatsheets accurate, but SQL behavior can vary between database engines (MySQL, PostgreSQL, SQL Server, Oracle, SQLite, and others) and versions. A query that works as shown on Sqlism may need adaptation before you run it elsewhere.
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Last Updated: Aug 29, 2026
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