首页 / 数据库 / MySQL / 定期将Oracle数据导入MySQL
部分项目需求,需要将Oracle中单表的数据定期导入至MySQL,注意此处对数据的时效性要求不高。要求高可以利用goldengate首先,需要将visit表中的vid,userid,goodid,time4个字段导出来MYDB=visit #MySQL数据库名
MYUSER=vis_my_user #MySQL用户名
MYPASS=is_my_pass #MySQL密码
ORA_NAME=visit #Oracle实例名
ORA_USER=viSUSEr #Oracle用户名
ORA_PASS=vispass #Oracle密码
id=`mysql -u$MYUSER -p$MYPASS $MYDB -N -e "select max(vid) from visit;"`
#MySQL -N参数可以忽略第一行输出
sqlplus -S ${ORA_USER}/${ORA_PASS}@${ORA_NAME} << EOF
set echo off;
set feedback off;
set newpage none;
set verify off;
set pagesize 0;
set term off;
set trims on;
set linesize 600;
set heading off;
set timing off;
set numwidth 38;
SPOOL /tmp/visit_result.txt; #导出结果位置,以下为查询语句
select
vid || "," ||
userid || "," ||
goodsid || "," ||
time
from
VISIT
WHERE
to_char(time,"yyyymmdd") >= to_char(SYSDATE-30,"yyyymmdd")
AND
vid > $id
order by
CREATETIME asc;
SPOOL OFF;
exit
EOF
mysql -u$MYUSER -p$MYPASS $MYDB -e "load data local infile "/tmp/visit_result.txt" into table visit FIELDS TERMINATED BY "," (userid,goodsid,time,vid);"
#此处为将Oracle数据导入MySQL更多Oracle相关信息见Oracle 专题页面 http://www.linuxidc.com/topicnews.aspx?tid=12本文永久更新链接地址