Supported by the following organizations
This is to certify that Maciej Wróblewski successfully completed and received a passing grade in CS50 SQL: CS50's Introduction to Databases with SQL a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
David J. Malan
Gordon McKay Professor of the Practice of Computer Science Harvard University
Carter Zenke
Senior Preceptor in Computer Science Harvard University
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- Verified Certificate Issued October 20, 2025
- Valid Certificate ID 26e68849f8be4e679030cda26bfcdc42