5.2选择项日管理角色 0创建角色 CREATE ROLE role_name [NOT IDENTIFIED] [IDENTIFIED BY password |EXTERNALLY|GLOBALLY] 0管理角色 ALTER ROLE role_name NOT IDENTIFIED IDENTIFIED BY password EXTERNALLY|GLOBALLY Oracle数据库实用教程 6 Oracle数据库实用教程 5.2选择项目管理角色  创建角色 CREATE ROLE role_name [NOT IDENTIFIED] [IDENTIFIED BY password∣EXTERNALLY∣GLOBALLY]  管理角色 ALTER ROLE role_name [ NOT IDENTIFIED ] [ IDENTIFIED BY password∣EXTERNALLY∣GLOBALLY ]