sqoop import-all-tables
  --num-mappers 1
  --connect "jdbc:mysql://quickstart.cloudera:3306/retail_db"
  --username=retail_dba
  --password=cloudera
  --hive-import
  --hive-overwrite
  --create-hive-table
  --compress
  --compression-codec org.apache.hadoop.io.compress.SnappyCodec
  --outdir java_files