环境:Mysql 4=>Oracle 9.2.0.4
1、从Mysql中导出csv格式的数据
mysqldump -u mysql -p -T./ --fields-terminated-by=, --fields-enclosed-by=\" mms send_done_log
输入密码:password
2、从导出的send_done_log.sql文件中找到建表语句,将其修改成符合oracle语法的建表语句
注意:Mysql导出空是"\N",所以Mysql中可以为空的字段在oracle中都要改成varchar2类型
3、使用oracle的load工具导入数据
sqlldr userid=scott/tiger control=load.ctl data=send_done_log.txt direct=y
load.ctl的内容:
LOAD DATA
INFILE *
INTO TABLE DEMO
TRUNCATE
FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"'
(SEND_ID,
SUBJECT,
ZX_TXT,
FEE
)
附问:不知哪位大侠知道Mysql中导出为空时能不能不要导出"\N",而是就导出空"" ? |