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Expert roadmaps, tutorials, salary guides and interview prep across Data Science, Generative AI, Python, Cloud & Analytics — written by GloryTecks trainers in Hyderabad.
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Vector Databases Explained: Pinecone, FAISS and ChromaDB
A vector database stores embeddings and finds the nearest ones to a query without comparing against all of them. This guide explains the indexes that make that possible, measures recall against work on 35,000 real embeddings, and separates a library, an embedded database, a hosted service and a Postgres extension.
SQLAlchemy Tutorial: Databases in Python
A hands-on SQLAlchemy 2.0 tutorial on an in-memory SQLite database: defining typed models, adding and committing rows with a Session, writing select() queries, joining and aggregating, loading relationships without the N+1 query problem, and handling transactions and schema migrations.