Category: Database

A plain-language, complete guide to horizontal partitioning: what it really is, how it differs from vertical partitioning, a short history, why it matters, the building blocks (parent table, partitions, partition key, routing logic), common strategies (range, hash, list, round-robin, composite, consistent hashing), how it relates to sharding, real-world uses, partition pruning, native SQL setup, a worked photo-sharing example, honest advantages and disadvantages, how to choose a partition key, how to keep partitions healthy, common pitfalls, and an FAQ.

A plain-language, complete guide to vertical partitioning: what it is, how it differs from horizontal partitioning, why it matters, the building blocks, its relationship to normalisation, two fully worked SQL examples, how the same idea appears in NoSQL, real-world uses, honest advantages and disadvantages, how to choose where to split, how to keep a partitioned table healthy over time, common pitfalls, and an FAQ.