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The Definitive Guide to Data Integration
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The world of data is vast and diverse, with organizations handling data in various formats for different purposes. Two primary categories of data formats are flat files (CSV, JSON, and XML) and columnar data formats (Parquet, ORC, Delta Lake, and Iceberg). Understanding the advantages and challenges of working with these different data formats is crucial for effective data integration, which is essential for organizations to unlock insights and make data-driven decisions. This chapter will delve into the structural differences between flat files and columnar data formats, explore their advantages and challenges, and explain how to handle them in data integration. Furthermore, we will discuss real-world use cases that favor each data format and the factors to consider when choosing the most suitable data format for a specific scenario. The goal is to provide a comprehensive understanding of these data...