Databases for Data Science
summary
Shows concrete claims and runnable tools not buzzwords: compares Postgres, MongoDB, Cassandra and Neo4j with query examples, mentions MongoDB aggregation pipeline and visualiser Compass, explains CAP tradeoffs and surprising detail that Cassandra writes faster than reads, and notes JSON-in-Postgres vs MongoDB schema enforcement. Covers install/ops tips (homebrew, replica copies), libraries like SQLAlchemy and Eve, and small demos of queries. Watch if needing actionable comparisons and tools; skip if only high-level theory suffices.
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chapters (13)
- 0:00Introduction
- 4:23Why databases matter
- 7:40Relational databases overview
- 10:36NoSQL databases types
- 14:08ACID vs BASE models
- 16:35Comparing database systems
- 20:07Data types and schema
- 23:18Querying languages
- 27:59Setup maintenance scalability
- 31:13Integration with systems
- 35:25Data structures visualization
- 37:10Choosing the right database
- 39:29Q&A
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