$ oerr ora 01274
01274, 0000, "cannot add datafile '%s' - file could not be created"
// *Cause: Automated standby file management was disabled, so an added file
// could not automatically be created on the standby.
// The error from the creation attempt is displayed in another message.
// The control file file entry for the file is 'UNNAMEDnnnnn'.
// *Action: Use the ALTER DATABASE CREATE DATAFILE statement to create the
// file, or set STANDBY_FILE_MANAGEMENT to AUTO and restart
// standby recovery.
操作: alter system set STANDBY_FILE_MANAGEMENT=auto;
你是克隆的standby备库?