Understanding How Columnar Data Improves I/O Performance in Analytical Queries To grasp how columnar data enhances I/O performance in analytical queries, it's essential to first understand how databases are traditionally stored and retrieved from disk. This foundation helps clarify the key differences in storage methods and what specific issues columnar databases address. This article covers the following topics: - The structure of disks and how tables are stored on them - An example of read and write operations in a traditional database - The implications of traditional row-based storage - How columnar databases differ and the problems they solve - Common use cases for columnar databases references: 1. https://lnkd.in/dyw8eJ2e 2. https://lnkd.in/dKQTiXrg 3. https://lnkd.in/dFpwp6bM
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A significant portion of data workflows involve storing and processing information in database engines. Validating that the information is stored and processed correctly can be complex and time-consuming, especially when the source and destination speak different dialects of SQL. In this episode Gleb Mezhanskiy, founder and CEO of Datafold, discusses the different error conditions and solutions that you need to know about to ensure the accuracy of your data.
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