方法一:用spool导成txt文件,然后load进去mysql
oracle源端:spool配置
[oracle11@S248 ~]$ cat spool_bak.sql
set colsep '|'
SET feedback off
SET newpage none
SET pagesize 50000
SET linesize 20000
SET verify off
SET pagesize 0
SET term off
SET trims ON
SET heading off
SET trimspool ON
SET trimout ON
SET timing off
SET verify off
spool /oracle/spool1.txt
select swebid,dstart from liuwenhe.fukuandate where dstart is not null and swebid is not null ;
spool off
EOF
运行spool文件,生成txt文件
SQL> @spool_bak.sql
把生成的txt文件传到mysql服务器下。
然后执行load进去mysql
mysql> LOAD DATA INFILE 'C:\\Users\\manet\\Desktop\\spool.txt' INTO TABLE fukuandate FIELDS TERMINATED BY "|"
不幸的是报错:
Incorrect datetime value: '15-SEP-15' for column 'DSTART' at row 1
很明显是日期格式的问题,查看导出来的txt文件内容:
[oracle11@S248 ~]$ cat spool1.txt
403965|15-SEP-15
442917|01-AUG-16
然而mysql的默认日期格式:为yyy-mm-dd
mysql> show variables like 'datetime_format'; ####查看mysql的默认格式
+-----------------+-------------------+
| Variable_name | Value |
+-----------------+-------------------+
| datetime_format | %Y-%m-%d %H:%i:%s |
+-----------------+-------------------+
1 row in set (0.00 sec)
mysql> SELECT NOW() FROM DUAL;
+---------------------+
| NOW() |
+---------------------+
| 2017-03-03 13:32:18 |
+---------------------+
1 row in set (0.00 sec)
于是猜想把数据中的日期改成yyyy-mm-dd的形式,修改oraclespool.sql脚本,把日期格式改成yyyy-mm-dd的形式。
[oracle11@S248 ~]$ cat spool.sql
set colsep '|'
SET feedback off
SET newpage none
SET pagesize 50000
SET linesize 20000
SET verify off
SET pagesize 0
SET term off
SET trims ON
SET heading off
SET trimspool ON
SET trimout ON
SET timing off
SET verify off
spool /oracle/spool.txt
select swebid,to_char(dstart,'yyyy-mm-dd') from liuwenhe.fukuandate where dstart is not null and swebid is not null;
spool off
EOF
然后从新执行spool.sql脚本,新生成的txt文件,再次load进去,成功了。。
mysql> LOAD DATA INFILE 'C:\\Users\\manet\\Desktop\\spool.txt' INTO TABLE fukuandate FIELDS TERMINATED BY "|"
共 73506 行受到影响
方法二:注意这种方法仅仅适合于数据量比较小的情况,因为数据量大的话,你没办法编辑sql文件。用plsql developer 工具导成sql文件,然后修改sql文件,倒进mysql。
在plsql developer 工具里,在左侧找到需要导出的表,然后-右击-选择导出数据,之后选择路径,如下图:
然后编辑导出的sql文件,使它能正确的在mysql中执行,to_date替换成STR_TO_DATE
insert into FUKUANDATE (SWEBID, DSTART)
values (403965, to_date('15-09-2015', 'dd-mm-yyyy'));
改成:
INSERT INTO FUKUANDATE (SWEBID, DSTART) VALUES (403965,STR_TO_DATE('15-09-2015','%d-%m-%Y'));