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Re: Quickly calculating row size of a table?

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"Jared Evans" <jnevans@xxxxxxxxx> writes:
> dbn=# SELECT relname, relpages*8192/reltuples from pg_class where
> reltuples <> 0 and relname not like 'pg%';

That calculation lumps free space (and page header overhead and so on)
into the size of the tuples.

			regards, tom lane

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