Oracle: date - date

[Jan Kasprzak]

Ladislav Pavlič wrote:
:   c := (a-b) DAY TO SECOND;

	Jo, tohle funguje (stejne jako pretypovani na timestamp).
Ja jsem se ale ptal nikoliv jak to udelat (to uz mam), ale jestli
nekdo netusite, co mohlo vest Oracle k tomu, aby vyraz typu date - date
nebyl definovany, zatimco timestamp - timestamp ano?

-Y.

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