Re: HashJoin order, hash the large or small table? Postgres likes to hash the big one, why?

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Mladen Gogala <mladen.gogala@xxxxxxxxxxx> wrote:
 
> how is the query cost calculated? What are 
> the units? I/O requests? CPU cycles? Monopoly money?
 
http://www.postgresql.org/docs/current/interactive/runtime-config-query.html#RUNTIME-CONFIG-QUERY-CONSTANTS
 
-Kevin

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