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Show all files associated with database instance

Is there a single query that can be executed to show all files associated with a database instance?

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You can query DBA_DATA_FILES or V$DBFILE to see the datafiles belonging to your tablespaces. The V$LOGFILE view shows you online redo logs. And V$CONTROLFILE shows the control files. So to see all of your database's files with a single SQL statement, issue the following:
SELECT file_name FROM dba_data_files
UNION
SELECT member FROM v$logfile
UNION
SELECT name FROM v$controlfile;

This was first published in July 2007

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