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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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Apache Iceberg vs Delta Lake vs Hudi
A comparison of the three open table formats: the problems they all solve on a data lake, Iceberg's hidden partitioning and partition evolution, Delta Lake's transaction log and Spark roots, Hudi's copy-on-write and merge-on-read tables and incremental queries, interoperability through UniForm, and a choice guide.
Delta Lake Explained: Reliable Lakes with ACID
Delta Lake explained with a working table built from real taxi data: what the transaction log is, how each write becomes an atomic version, schema enforcement rejecting a bad append, delete and merge, a merge that quietly re-inserted deleted rows, time travel between versions, and maintenance.