sqoop inport常用参数
sqoop import --connect jdbc:mysql://localhost:3306/sqooptest
--username root --password imooc@mysql --table testtable
--driver com.mysql.jdbc.Driver --split-by id
--num-mappers 1
--target-dir /testtable
sqoop export --connect jdbc:mysql://localhost:3306/sqooptest
--username root --password imooc@mysql --table testtable
--export-dir /testtable