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Databases and SQL

Databases and SQL
Key Points
Glossary
Learner Profiles
- Discussion
- Glossary

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EPISODES

Summary and Setup

1. Selecting Data

2. Sorting and Removing Duplicates

3. Filtering

4. Calculating New Values

5. Missing Data

6. Aggregation

7. Combining Data

8. Data Hygiene

9. Creating and Modifying Data

10. Programming with Databases - Python

11. Programming with Databases - R

Key Points
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Glossary

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Discussion

Last updated on 2026-10-27 | Edit this page

Relational databases are the most widely used by far, but other kinds also exist, such as the document-oriented database MongoDB.

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