Level up your SQL skills with real-world practice. This pack is designed to take you from basic SELECT queries to advanced techniques used in analytics and engineering teams.
Features
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100 progressive exercises covering:
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Simple SELECT and filtering
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Aggregations and GROUP BY
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Multi-table JOINs
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Subqueries and CTEs
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Window functions for analytics
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Indexing and query optimization
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Production-style datasets to simulate real business data.
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Detailed solutions with explanations for each query.
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Performance notes highlighting efficient approaches.
Benefits
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Build confidence with hands-on practice.
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Gain job-ready SQL skills for data roles.
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Understand optimization techniques beyond the basics.
