sorry wrong link at erlier response. here is correct http://www.postgresql.org/docs/faqs/FAQ.html#4.5
Alan Carbutt wrote:
Hi all,
I'm running a data warehouse in Postgres and I was wondering what the max table size is column-wise and row-wise. I tried to search the lists and documentation on the http://www.postgresql.org and the search isn't working.
Thanks,
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
