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Oracle® Database Reference
12c Release 1 (12.1)

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DBA_HIST_IOSTAT_FILETYPE_NAME displays historical I/O statistics for file type names. This view contains snapshots of V$IOSTAT_FILE.

Column Datatype NULL Description
DBID NUMBER NOT NULL Database ID for the snapshot
FILETYPE_ID NUMBER NOT NULL Type of file (for example, log file, data file, and so on)
FILETYPE_NAME VARCHAR2(30) NOT NULL Name of the file, in the case of a data file or temp file. For all other files, a corresponding string to be displayed (for example, ARCHIVELOG).
CON_DBID NUMBER   The database ID of the PDB for the sampled session
CON_ID NUMBER   The ID of the container that CON_DBID identifies. Possible values include:
  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data

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