5.6.1 Concepts & tools
Every entry filed under Concepts & tools and its subtopics.
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- Guided project 0
- Explains an idea 1
- Step by step 0
- Cheat sheet 1
- Fixes an error 1
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- 0221 Oracle Database basics: instance vs database, CDB and PDB An Oracle instance is memory and processes; the database is the files on disk. Since 21c every database is a container database… Beginner · Explains an idea · Linux, Windows Article Concepts & tools 15 Oct 2026