Ühel kenal päeval, E, 2007-03-26 kell 16:05, kirjutas Joris Dobbelsteen:

> Oracle has choosen to allow constraint enforcement by locking on the
> parent tuple. In contrast postgres has chosen (historically, see RI
> triggers) to fail on detecting conflicting newly inserted rows (the
> cross-check).

Could you give an example, where postgresql fails to detect conflicting
newly inserted rows ?

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