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This paper gives an example of mysql cross-database transaction XA operation. Share with you for your reference, the details are as follows:

Some time ago, I encountered the problem of cross-database transactions in my work, and then I made an inquiry on the Internet, and now I do some arrangement and summary.

1. First, make sure that mysql enables XA transaction support.

SHOW VARIABLES LIKE'% XA%'

If the value of innodb_support_xa is ON, mysql has enabled support for XA transactions.

If not, execute:

SET innodb_support_xa = ON

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