Hospital patient data analysis with SQL Server — data cleaning, NULL handling, string & date functions, and precise data filtering with T-SQL
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Updated
Oct 11, 2026
Hospital patient data analysis with SQL Server — data cleaning, NULL handling, string & date functions, and precise data filtering with T-SQL
There are seven business-critical questions solved using SQL
This project demonstrates practical SQL skills used for data analysis, database management, and backend data operations.
Personal notes and practice materials built while developing SQL skills for data analysis.
A two-phase SQL project that cleans a real-world tech layoffs dataset and performs exploratory analysis to surface trends across companies, countries, industries, and time.
SQL patterns every data engineer should know cold — free shortlist + link to the full printable reference pack
🔍 MySQL data cleaning & EDA on world layoffs dataset
End-to-end MySQL data cleaning project covering duplicate detection, data standardization, NULL handling, date transformation, and data-quality validation using a layoffs dataset.
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