/courses/sql/production-database-tools/Recent content in Production Database Tools on DATATWEETSHugoenCopyright (c) 2025 DatatweetsTue, 23 Jun 2026 09:00:00 +0200/courses/sql/production-database-tools/lesson-1-cloud-data-warehousing-with-snowflake/Fri, 14 Nov 2025 09:00:00 +0200/courses/sql/production-database-tools/lesson-1-cloud-data-warehousing-with-snowflake/Discover what makes Snowflake different, create a virtual warehouse, load a CSV into a table, run SQL queries, and learn how to keep your compute costs under control./courses/sql/production-database-tools/lesson-2-introduction-to-nosql-databases/Fri, 14 Nov 2025 09:00:00 +0200/courses/sql/production-database-tools/lesson-2-introduction-to-nosql-databases/Learn what NoSQL really means, why it emerged, the four main types — document, key-value, column-family, and graph — and how to decide between NoSQL and SQL for a given problem./courses/sql/production-database-tools/lesson-3-hands-on-with-mongodb/Fri, 14 Nov 2025 09:00:00 +0200/courses/sql/production-database-tools/lesson-3-hands-on-with-mongodb/Build a real MongoDB review system: insert flexible documents, evolve the schema without migrations, query with operators, run aggregation pipelines, and connect it all to Python with PyMongo.