1.sqoop从mysql导出到hdfs:
sqoop import --connect jdbc:mysql://888.888.88.88:3306/test1 --username root --password root --target-dir /user/sqoop2/test --table app_info --fields-terminated-by ' ' --m 1
2.sqoop从hdfs导出到mysql
sqoop export --connect jdbc:mysql://888.888.88.88:3306/test1 --username root --password root --table app_info_test --fields-terminated-by ' ' --export-dir '/user/sqoop2/test' --m 1
