Re: Performance difference between char and int2 columns - Mailing list pgsql-general

Yavuz Kavus wrote:
> hi everybody.

> The problem is that:
> my both table has 10 records.
> when i run this query on first table :
>    select * from tb_section_phones;
>    it lasts 0.02 sec.
> when i run this query on second table :
>    select * from tb_section_phones_temp;
>    it lasts 0.13 sec.
>
> 6.5 times slower.
> why so performance difference?
> should i prefer int as column type?

Did you ANALYZE your tables?
What version of Postgres is this?

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