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CompTIA Data+ DA0-002 · Domain 1: Data concepts and environments

File formats: CSV, TSV, JSON, XML, Parquet, spreadsheets and flat files

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Last reviewed September 25, 2026 · Leer en español

Data moves between systems in files more often than you might expect, and each format has habits you need to know. Picking the right one, or reading one correctly, avoids broken columns, lost precision and slow queries.

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