[From SearchOpenSource.com]
Many people consider PostgreSQL 8.0 to be a groundbreaking release for the PostgreSQL project, calling it the first version to include native Windows support. But while it did indeed take a significant step in this direction, if you look a bit further you will see that PostgreSQL 8.0 did not cover entirely new territory so much as bring the final piece to the puzzle.
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http://searchopensource.techtarget.com/tip/1,289483,sid39_gci1179316,00.html