日期：2015-06-28 00:00:00 来源: IT猫扑网
很久没有使用sqlplus创建表空间和用户了，需要的时候竟然忘记了密码，试了好多次都没连接上，进而用户也被锁定，在网上找了一些资料，问题解决了，希望对和我一样情况的朋友们有所帮助。
1.安装时选择的自动安装，忘了用户名和密码导致现在试了几个默认的用户名密码後（表格中附带默认用户名及密码），都提示无效的用户名、密码，
Username | Password | Description | See Also |
CTXSYS | CTXSYS | The Oracle Text account | Oracle Text Reference |
DBSNMP | DBSNMP | The account used by the Management Agent component of Oracle Enterprise Manager to monitor and manage the database | Oracle Enterprise Manager Grid Control Installation and Basic Configuration |
LBACSYS | LBACSYS | The Oracle Label Security administrator account | Oracle Label Security Administrator's Guide |
MDDATA | MDDATA | The schema used by Oracle Spatial for storing Geocoder and router da | Oracle Spatial User's Guide and Reference |
MDSYS | MDSYS | The Oracle Spatial and Oracle interMedia Locator administrator account | Oracle Spatial User's Guide and Reference |
DMSYS | DMSYS | The Oracle Da | Oracle Da Oracle Da |
OLAPSYS | MANAGER | The account used to create OLAP metadata structures. It owns the OLAP Catalog (CWMLite). | Oracle OLAP Application Developer's Guide |
ORDPLUGINS | ORDPLUGINS | The Oracle interMedia user. Plug-ins supplied by Oracle and third party format plug-ins are installed in this schema. | Oracle interMedia User's Guide |
ORDSYS | ORDSYS | The Oracle interMedia administrator account | Oracle interMedia User's Guide |
OUTLN | OUTLN | The account that supports plan stability. Plan stability enables you to maintain the same execution plans for the same SQL statements. OUTLN acts as a role to centrally manage metadata associated with stored outlines. |