Thread: Char datatype

Hi,

Does anyone know why does pg use 4+n bytes to store a char(n) field? The
four initial bytes seem to have only null chars so why are they used?

Thx

Andre Restivo

[ Charset ISO-8859-15 unsupported, converting... ]
> Hi,
>
> Does anyone know why does pg use 4+n bytes to store a char(n) field? The
> four initial bytes seem to have only null chars so why are they used?

The 4 bytes is for the length of the string to be stored.

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