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Bohdan Papanov

Bohdan Papanov

Ukraine

Python · Databases & SQL

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I am a Python expert who is comfortable working with C++, Java, C#, HTML, CSS and JavaScript. Working with SQL databases and data analysis tools, including R. I have a diploma in data science, which supports my training in data processing and analysis. Although I want less different technologies, Python itself has become the main one, where I best implement my skills and ideas. My projects demonstrate technical competence, development and willingness to pursue new tools and approaches.
Anna

Anna

Ukraine

Python · Databases & SQL

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177
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Database design and optimization (SQLite/PostgreSQL).
128
Database design and optimization (SQLite/PostgreSQL).
Databases & SQL
As part of the portal development, I designed the database structure to ensure quick access to publications and their categories. I set up many-to-many relationships for tags and one-to-many relationships for authors. I worked on optimizing queries…