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Slowly Changing Dimensions (SCDs) are a vital concept in data warehousing, particularly in managing data that changes over time. As the entities...
A Delta Lake is not different from a Parquet file with a robust versioning system. It utilizes transaction logs stored in JSON files to maintain a...
Spark's Execution Plan is a series of operations carried out to translate SQL statements into a set of logical and physical operations. In short, it...
Apache Spark is an open-source distributed computing system that provides an efficient and fast data processing framework for big data and analytics....
