Re: INDEX and JOINs

[Andreas Kretschmer <akretschmer(at)spamfence(dot)net>]

Reg Me Please <regmeplease(at)gmail(dot)com> schrieb:

> Il Saturday 27 October 2007 08:51:09 Andreas Kretschmer ha scritto:
> > Reg Me Please <regmeplease(at)gmail(dot)com> schrieb:
> > > How can I "Increasing the statistics target for the larger table"?
> > > I'ìm sorry for asking, but I'm not that deep into RDBMS.
> >
> > alter table <table> alter column <column> SET STATISTICS <value>;
> >
> > Andreas
> 
> How can I display the statistics for a table/column/index/whatever applies?

select attstattarget from pg_attribute where attname = <column> and attrelid=<table>::regclass;

for instance:
select attstattarget from pg_attribute where attname = 'ts' and attrelid='foo'::regclass;

-1 means the default statistics value.


Andreas
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