sqoop实战(一)

安装sqoop  步骤略.
mysql

启动sqoop:sql

成功启动!windows


  1. 在本地mysql(windows) 建立表:tbl_placeoop

    字段:spa

    1、Transferring an Entire Table:code

    1.  命令为:ci

    sqoop import \get

    --connect jdbc:mysql://mysql.example.com/sqoop \input

    --username sqoop \it

    --password sqoop \

    --table cities


  2. 检查建立的文件内容:


    2、Specifying a Target Directory

1.

sqoop import \

--connect jdbc:mysql://XXXX/sqoop \

--username root \

--password root \

--table tbl_place \

--target-dir /etl/input/tbl_place

执行命令前:创建好目录etl、input

3、Specifying a Target parent Directory

1. 

sqoop import \

--connect jdbc:mysql:/xxxxxx/sqoop \

--username root \

--password root \

--table tbl_place \

--warehouse-dir /etl/input/

4、Importing Only a Subset of Data

1. 

sqoop import \

--connect jdbc:mysql://xxxxxx/sqoop \

--username root \

--password root \

--table bl_place \

--where "place_code=2"

5、Protecting Your Password(Here’s a Sqoop execution that will read the password from standard input:)

1.

sqoop import \

--connect jdbc:mysql://xxx/sqoop \

--username root \

--table tbl_place \

-P 

会提示你输入密码。输入便可回车便可!

2.Here’s an example of reading the password from a file:

sqoop import \

--connect jdbc:mysql://mysql.example.com/sqoop \

--username sqoop \

--table cities \

password-file my-sqoop-password

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