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## SQLite Release 3.6.12 On 2009 March 31 (3.6.12)

Changes associated with this release include the following:

- Fixed a bug that caused database corruption when an incremental_vacuum is rolled back in an in-memory database. Ticket #3761.
- Added the sqlite3_unlock_notify() interface.
- Added the reverse_unordered_selects pragma.
- The default page size on windows is automatically adjusted to match the capabilities of the underlying filesystem.
- Add the new ".genfkey" command in the CLI for generating triggers to implement foreign key constraints.
- Performance improvements for "count(*)" queries.
- Reduce the amount of heap memory used, especially by TRIGGERs.

A complete list of SQLite releases in a single page is also available. A detailed history of every check-in is available at http://www.sqlite.org/src/timeline.