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MySQL isn't the only engine that does this.

http://docs.oracle.com/cd/E17952_01/refman-5.1-en/implicit-c...

Edit - I was wrong!

Not only did I link to the wrong docs, but Oracle fixed what I considered to be a longstanding bug.

Thanks to those who pointed it out.

For a very, very long time, Oracle has enforced implicit transaction boundaries around DDL, and it is about time that finally changed.

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Those docs look like they're MySQL docs, not Oracle Database docs. Stackoverflow suggests[1] that as-of Oracle Database 11g Release 2, DDL changes are isolated within the current transaction.

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[1] http://stackoverflow.com/questions/4692690/is-it-possible-to...

That link is to a page from the MySQL 5.1 reference manual.

As of about 4 years ago Oracle's been the owners of MySQL, so that's the reason why you're seeing it hosted at docs.oracle.com.

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