Question: how to export hive table data into a file?
Answer: Method 1 : hive -e 'select * from table_orc_data;' | sed 's/[[:space:]]\+/,/g' > ~/output.csv.
Method 2: $ hadoop fs -cat hdfs://servername/user/hive/warehouse/databasename/table_csv_export_data/* > ~/output.csvCopy.
— Step 3a: Create CSV table with dummy header column as first row.