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MySQL 8.0 Reference Manual  /  ...  /  The INFORMATION_SCHEMA INNODB_DATAFILES Table

Pre-General Availability Draft: 2018-02-22

25.32.18 The INFORMATION_SCHEMA INNODB_DATAFILES Table

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 all InnoDB tablespace types including file-per-table tablespaces, general tablespaces, the system tablespace, the temporary tablespace, and undo tablespaces.

Table 25.18 INNODB_DATAFILES Columns

Column nameDescription
SPACEThe tablespace Space ID.
PATHThe 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.

Example:

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

Notes:

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

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


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