Re: IS it a good practice to use SERIAL as Primary Key?

Richard Broersma Jr <rabroersma@yahoo.com> writes:

> "" The type names serial and serial4 are equivalent: both create integer
> columns. The type names bigserial and serial8 work just the same way, except
> that they create a bigint column. bigserial should be used if you anticipate
> the use of more than 231 identifiers over the lifetime of the table.  ""
> http://www.postgresql.org/docs/8.2/interactive/datatype-numeric.html#DATATYPE-SERIAL

What would be those "231 identifiers"?


--
Jorge Godoy      <jgodoy@gmail.com>