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Can we import RDBMS tables into HCatalog directly, If yes, what are the limitations in it?



Yes by using –hcatalog-database option with –hcatalog-table we can create Hcatalog tables directly but importing/exporting into/from HCatalog has limitations as of now and doesn’t below arguments.
  • –direct
  • –export-dir
  • –target-dir
  • –warehouse-dir
  • –append
  • –as-sequencefile
  • –as-avrofile
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