Create standby controlfile

Syntax how to create Oracle control file for a standby database:

$ sqlplus

SQL*Plus: Release 10.1.0.4.0 - Production on Mon Nov 6 10:16:11 2006

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Enter user-name: / as sysdba

Connected to:
Oracle Database 10g Enterprise Edition Release 10.1.0.4.0 - 64bit Production
With the Partitioning and Data Mining options

SQL> ALTER DATABASE CREATE STANDBY CONTROLFILE AS '/path/to/controlfile.ctl';