What are the general Prerequisites to learn HCatalog?
Answer / Susheel Sankhwar
To learn Apache HCatalog, you should have a good understanding of Java programming language, Apache Hadoop ecosystem, SQL concepts, and ideally some experience working with large data sets. Familiarity with Hive is also beneficial.
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Explain HCatInputFormat?
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Explain HCatReader?
State some command line options?
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