Columnar or Row-Based
Columnar databases, like Redshift, excel in data analysis, reporting, and aggregations. They store data in columns, making it efficient to perform operations like summing values, counting, and filtering. Columnar databases minimize I/O operations by reading only the necessary columns rather than entire rows, resulting in faster query execution.
Cet exercice fait partie du cours
Introduction to Redshift
Exercice interactif pratique
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