Thursday, February 4, 2010, 7:51:37 PM you wrote:
> it is an identifier and is always a number and is used in grouping and
> querying. I thought I would lose performance if it is text vs an
> integer/double field.
Maybe using 'numeric(19)' instead of bigint is an alternative. I actually
don't know how these numbers are stored internally (some kind of BCD, or as
base-100?), but IMHO they should be faster than strings, although not as
fast as 'native' types.
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