On 29 Nov 2001 at 09:45 (+0100), Markus Bertheau wrote:
| I wonder about the difference between date_part('week', ...) and
| extract(week from ...) not only but also from a performance point of
| view. I read extract is standard and date_part is not. Backwards
| compatibility maybe justifies the existence of date_part. Whats else?
The EXTRACT syntax ends up as a call to the internal date_part(...)
function. If SQL-portability is not a concern, calling date_part()
directly should be a bit quicker.
cheers. brent
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