Daily Data Engineering Practice
A growing collection of practical exercises in Python, Oracle SQL, PL/SQL and related Data Engineering topics.
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Notes and learning materials.
A collection of original technical notes, focused exercises, and step-by-step lab documentation covering data engineering, databases, system administration, and related IT topics. The materials document consistent hands-on practice, structured learning, and the gradual development of practical skills.
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Daily Data Engineering Practice
Short, focused exercises in Python, Oracle SQL and PL/SQL, and other data engineering-related tools, documenting consistent hands-on practice and gradual skill development.
Python
Oracle SQL
PL/SQL
Data Engineering
Current
Current notes
These collections contain published technical materials and continue to grow over time.
System Operator Notes
Hungarian-language system administration notes and hands-on lab documentation covering IT fundamentals, Windows, Hyper-V, and related infrastructure topics.
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