This article was originally published on AI Study Room . For the full version with working code examples and related articles, visit the original post. Columnar Databases: When and How to Use Them Columnar Databases: When and How to Use Them Columnar Databases: When and How to Use Them Columnar Databases: When and How to Use Them Columnar Databases: When and How to Use Them Columnar Databases: When and How to Use Them Columnar Databases: When and How to Use Them Columnar Databases: When and How to Use Them Columnar Databases: When and How to Use Them Columnar Databases: When and How to Use Them Columnar Databases: When and How to Use Them Columnar Databases: When and How to Use Them Columnar Databases: When and How to Use Them Columnar Storage Columnar databases store data by column rather than by row. This enables aggressive compression and fast analytical queries. Row vs Columnar Row-oriented storage writes each row contiguously.…