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3. If any of the other standby database settings are different, these must be edited as well. The variables that can be changed are:
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ORACLE_SID_DEST*
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ORACLE_BASE_DR
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LOGDIR_DR
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ARCHDEST
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MAX_TIMES_TRIED
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LEAVE_COMPRESS_DEST
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ADD_DATAFILE
For a multiple standby database on the same node the ORACLE_SID_DEST must be different unique
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