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Columnar Storage Is Normalization

Columnar Storage Is Normalization

欄式儲存就是正規化

Columnar storage organizes data by column rather than by row, which fundamentally changes how databases store and retrieve information. This approach mirrors database normalization principles by eliminating redundancy and improving query efficiency. When data is stored in columns, similar values are grouped together, enabling better compression and faster analytical queries. This architectural choice has become standard in modern data warehouses and OLAP systems, where analytical workloads benefit from accessing specific columns rather than entire rows. The connection between columnar storage and normalization reveals how physical storage design and logical data organization serve the same goal: optimizing data efficiency and query performance.