Cloud Computing20825 marksColumnar storage format
How data is stored in columnar storage and row storage?
How data is stored in columnar storage and row storage? [5]
Structure: - Data is stored row by row (horizontally) - All columns of a single row are stored contiguously in memory - Each complete record is stored together Example: Characteristics: - Entire row retrieved in one disk access - Efficient for OLTP (Online Transaction Processing) operations - Goo...