Load data from a Hive table into a Pig relation

pig -useHCatalog #first invoke the pig shell with the -useHCatalog flag
A = LOAD ‘db.tablename’ USING org.apache.hive.hcatalog.pig.HCatLoader(); #this loads data
store A into ‘db.tablename2’ using org.apache.hive.hcatalog.pig.HCatStorer(); #this stores data

Preparing for the HDPCD Exam: Data Transformation

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