Portfolio

A professional portfolio built on documented projects.

The purpose of these projects is to make professional development visible through verifiable work. The focus is on practical implementation, documentation, testing and systems-oriented thinking.

Portfolio

Projects

A gradually expanding collection of my strongest projects, mainly covering Oracle DWH, SQL, infrastructure and data engineering topics.

Multi-RDBMS Data Extraction Lab project image
Data Engineering SQL RDBMS

Multi-RDBMS Data Extraction Lab

A multi-source extraction lab across Oracle, SQL Server, PostgreSQL, MySQL, IBM Db2, and a manual CSV source, with controlled export logic and detailed test evidence.

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Multi-RDBMS Comparison Lab project image
SQL RDBMS

Multi-RDBMS Comparison Lab

A practical comparison lab across six RDBMS environments with shared sample data, consistent SQL tasks, and documented syntax differences.

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Codex Hyper-V Lab project image
Infrastructure AI

Codex Hyper-V Lab

An isolated Hyper-V-based lab for controlled Codex CLI testing. The repository documents security boundaries, manual approval, independent verification, and the first recorded test run.

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