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25.39.9 The INFORMATION_SCHEMA INNODB_DATAFILES Table

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The INNODB_DATAFILES table provides data file path information for InnoDB file-per-table and general tablespaces.

For related usage information and examples, see Section 15.14.3, “InnoDB INFORMATION_SCHEMA Schema Object Tables”.

Note

The INFORMATION_SCHEMA FILES table reports metadata for InnoDB tablespace types including file-per-table tablespaces, general tablespaces, the system tablespace, the global temporary tablespace, and undo tablespaces.

The INNODB_DATAFILES table has these columns:

  • SPACE

    The tablespace ID.

  • PATH

    The tablespace data file path. If a file-per-table tablespace is created in a location outside the MySQL data directory, the path value is a fully qualified directory path. Otherwise, the path is relative to the data directory.

Example

  1. mysql> SELECT * FROM INFORMATION_SCHEMA.INNODB_DATAFILES WHERE SPACE = 57\G
  2. *************************** 1. row ***************************
  3. SPACE: 57
  4.  PATH: ./test/t1.ibd

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Notes

  • You must have the PROCESS privilege to query this table.

  • Use the INFORMATION_SCHEMA COLUMNS table or the SHOW COLUMNS statement to view additional information about the columns of this table, including data types and default values.


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Document created the 26/06/2006, last modified the 26/10/2018
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References

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