Shulou(Shulou.com)06/01 Report--

Innodb_undo_tablespaces is a parameter that controls whether a separate table space is enabled by undo.

0 means: undo uses the system tablespace, that is, ibdata1

If it is not 0, it means that a separate table space is used. The general name is undo001 undo002, and the configuration item of the storage address is: innodb_undo_directory.

The default configuration of general innodb_undo_tablespaces is 0 _ pure _ database _ undotted directory, and the default configuration is the current data directory.

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