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Dec 21, 2023 路 5 min read 路 In data warehousing, Slowly Changing Dimensions (SCD) are essential for accurately tracking and managing changes in data over time. This guide provides an in-depth exploration of SCD types 0 through 4 and their practical implementation in modern data...
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Oct 23, 2023 路 5 min read 路 Photo by Ant Rozetsky on Unsplash Fault tolerance is an important requirement in distributed systems. Apache Spark provides robust fault tolerance mechanisms to ensure reliable data processing. In this blog, we will explore how Spark achieves fault t...
Join discussionSep 1, 2023 路 4 min read 路 Photo by Jim Wilson on Unsplash Have you ever wanted to pivot a Spark dataframe to change rows into columns or vice versa? Let me tell you that Spark provides a simple function to do it. In this blog, we will explore what the pivot function does. Wha...
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Aug 22, 2023 路 4 min read 路 https://unsplash.com/fr/photos/ItLQ6scEmz0 In the realm of distributed data processing, Apache Spark stands as a prominent figure, transforming the landscape of big data analytics with its lightning-fast performance and user-friendly APIs. When it co...
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Aug 18, 2023 路 4 min read 路 Unsplash image of Maarten van den Heuvel In today鈥檚 data-driven landscape, managing and optimizing data storage is a critical factor in achieving efficient data processing and analysis. We鈥檙e starting reading from a storage and finishing writing on a...
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