DBT-11515：SYSDBA user name is not specified.
错误码
错误描述：SYSDBA user name is not specified.
错误原因：SYSDBA user credential required to perform '%s' operation in the database (%s).
解决方法：Specify a valid sysdba user name *FQN: oracle.assistants.dbca.resource.DBCAErrorCode.SYS_DB_USER_NAME_EMPTY_ERR
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