我用select * from histable命令查出来的结果是1 2006-07-13 1424:25:00 23.000。
用select to_date(savetime,'yyyy-mm-dd,hh24-mi-ss') from histable 告诉我出错,ORA-01861 literal does not match format string.
select to_date(savetime,'yyyymmdd,hh24miss') from histable 告诉我出错,ORA-01843 not a valid month